See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/280494512 FINANCIAL ACCOUNTING 1 Book · January 1998 CITATIONS READS 0 103,795 1 author: Lawyer Obara Rivers State University of Science and Technology 66 PUBLICATIONS 32 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: The Issues in Social Managment View project THE EFFECT OF ACCOUNTING FOR WASTE MANAGEMENT EXPENDITURE ON THE PROFITABILITY OF OIL AND GAS COMPANIES IN NIGERIA View project All content following this page was uploaded by Lawyer Obara on 27 July 2015. The user has requested enhancement of the downloaded file. ., . ,"2. 1"2~ 0 , ~ ~ ~ ~r 1., -:-1 ., ":'1 .. LI;:I 1 =" ~ -";" 1 '""\ !~"l~'~ 1 "":" ~ I.... ,I ~ I! ~"'\-":' .. " ... ~. l I '1 i" . 9111N00331 , 1113NVNI:I · In this book, Financial Accounting I, the authors, Messrs N.A. Ukpai, B.D Kiabel and i.c Obara of the Rivers State University of Science and Technology, Port Harcourt, lucidly treated the topics at the introductory level of Financial Accounting in our Universities and other related tertiary institutions. The topics are adequate for theinstitute of Chartered Accountants of Nigeria (ICAN) stage one examinations and other professional bodies. The concepts and principles are defined, explained and illustrated with practical local examples. The focus of this book is to show how financial accounting data are accumulated and how periodic financial statements are prepared to enable the student interpret and use accounting information intelligently and effectively. The ease to read design of the book practice questions and exercises with solutions at the end of all chapters specially distinguished the book and recommends it for reading to all accounting students and practitioners FINANCIAL ACCOUNTING 1 N. A. Ukpai B. D. Kiabel L. C. Obara Dept. of Accountancy Rivers State University of Science and Technology Port Harcourt Nigeria Reprinted by: DAYIDSTONES PUBLISHERS LTD. Port Harcourt ~. Second reprint by: DAVIDSTONES PUBLISHERS LTD. Chief Wali Estate, Rumualogu, Port Harcourt, Nigeria. Tel.: 08035079193 FirstPublished, 1998 Pen Paper Publishers First reprint by: HORIZON CONCEPT ISBN' 978-2873-87-X All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical photocopying, recording or otherwise, without the prior written permission of Davidstones Publishers Ltd. A. :;.,~ Preface. .. _ " ,. "." Acknowledgn·;,·nts _.,_,mm..'''''''· Forward _".""",,",,""" CHANERl Definition of Accounting.."""".". Book Keeping defined-."""",,'" Book Keeping & Accoudimnl! CBAPTER2 History, Principles a.'ld GmmmI Principles and Com-ent:iaIJmui; Basic Concepts, Principies.a CHAPTER 3 Accounting in the Opet'" The role of AccountingillulII Different Types of &KiIIaIlii Financial Accounting ~ Users of Fi:naJ'!ciaI Jnk;ii:i8iIIiIII CHAPTEll4 Double Entrv"'1 '.Ii~ Advantages of OIl IiIaIIIl The Accoun..n-r JFs S +,. Debits and CrecBs,,_~­ Expenses and Rev; ... The Account and Ihl!- . . Ilh ·~b Jai~, aa.. TAinJ: \,; CUNTENTS Preface. . xiii Acknowledgln'.·nts........................................................................................................ ix Forward.............. x CHAPTER 1 Definition of Accounting......................................................................................... Book Keeping defined ·· ·..·..·· ···· ·..··........................... Book Keeping & Accounting ···..···· ·..· · ·· ····..·..· ·..·............. 1 3 3 C(IAPTER2 J. ?:5 History, Principles and Convention of Accounting............................ Principles and Conventions Basic Concepts, Principles and Convention · · ·...................... 6 7 7 CHAPTER 3 Accounting in the Operation of an Enterprise....................................... The role of Accounting in an Enterprise Different Types of Business Organizations Financial Accounting Statements Users of Financial InformatioI1............................................................................ 14 14 16 17 19 CHAPTER 4 Double Entry Book-keeping :.......... Advantages of Double Entry System of Bookkeeping The Accounting Equation Debits and Credits ;................................................................... Expenses and Revenue Accounts The Account and the Double-Entry Principles 23 23 24 25 27 28 CHAr CHAPTERS Source Documents and Books of Original Entry Books of Original Entry (Journal) Sales Day Book Purchase Day Book The Two-Column Cash Book . The three-Column Cash Book Cash Discounts '.. , " Trade Discounts . Contra Entry.................................................................................................. , Use of Folio Columns................................................................. ,., Petty Cash Book " The ImprestSystem , CHAPTER 6 Classification of Capital and Revenue Items Classification of Account CHAPTER 7 The Ledger The General Ledger Balancing an Account in the Ledger Trial Balance " . . 36 37 38 38 42 42 4~ 4..± 45 46 41' 49 ............... 59 . 60 ", .................. 61 . ............... 64 . 65 . 67 , .., CHAPTER 8 Errors ,. Errors not Affecting Trial Balance Agreement Correction of Errors Errors Revealed by the Trial Balance Suspense Account..................................................................................... . . . . 79 79 81 84 85 Adjustnv or Financial AccC'u: Accrued E>_:t·enses -._.. Prepaid Expenses __ . Accrued Income -_ . Income in Advance __.. Treatment of bad Debt and Pros Provision for Discount on I.>eblI!lr Provision for Discount on Cred CHAPTER 10 The Final Account Trading Account Profit & Loss Account _ . - .. __ . CHAPTER11 Control Account _ . Debtors Control Account _ . Creditors Control Account _ . . Sales Ledger Control Accomnllt Control Accounts and Doublhl CHAPTER 12 Method of Calculating Depre RevalnationMethod ...... Unit \.J Production Method . Machine Hour Method -_ . Sum of years Digits -_ . Accounting for Depreciat:icmmI. The Use of the Provision Ii<x '[ Depreciation & Inflation .._ . _m . CHAPTER 13 The Bank Account and BM* Types of Bank Account :?aying-in-Book -_ . _m ii , 36 37 "",,,,,,,,,.. ,,,,,,,,, _ __ .".. " "" ""''''' ''" " "." ~, 38 . 38 . 42 . 42 ...." " _ .......m" 4~ 4-J mm_ _•••• ........... M ....... _ _ ~_~... • • • • • • • • • • • • • • CHAr Adjustm. or Financial Accounts Accrued EAl,enses Prepaid Expenses Accrued Income Income in Advance Treatment of bad Debt and Provision for Bad Debt Provision for Discount on Debtors Provision for Discount on Credits 98 99 101 104 107 109 CHAYfER10 The Final Account Trading Account Profit & Loss Account 112 112 113 CHAPTER11 Control Account Debtors Control Account Creditors Control Account Sales Ledger Control Account Control Accounts and Double Entry Principle 161 162 162 163 166 CHAPTER 12 Method of Calculating Depreciation Revalnation Method Unit", Production Method Machine Hour Method SUIn of years Digits Accounting for Depreciation The Use of the Provision for Depreciation Account... Depreciation & Inflation 172 175 175 175 175 177 179 186 CHAPTER 13 The Bank Account and Bank Reconciliation Statements Tvpes of Bank Account F'aying-in-Book 19J. 191 192 ')5 9b ,1::; '":t:_ .................._.._ . . . . . . . . ._ _... " " _­ ... 46 4 E­ 49 . . . . . . . . . __ 59 ,........._......_................... 60 "·. , ·_··········· 61 " " __ ".·..".·. ··_····..· " · ···_·· 64 65 67 .......... · 79 ..................................... 79 ,.· 81 .............. 84 ............ 85 111 WithdrawaLs. Parties to a OK),..I' Kind of Cheque Dishonored cheques . Bank Reconciliation Statements .. Timing Differences . Informational Differences Reconciliation Practices Overdrafts . 193 .... 194 . 194 .. 195 197 . 198 199 H. CHAPfER14 Manufacturing Account Analysis of Cost Direct Materials Direct Labour Direct Expenses Factory Overhead Administration Overhead Stock Manufacturing business H . . . . . • . 200 205 H . ,. 219 219 220 220 .221 .221 .222 223 . . _ _ " _ _ CHAPTER 15 Single Entry and Incomplete Records Statements of Affairs under Incomplete Records Profit & Loss under Single Entry. "." Conversion ofSingle Entry into Double Entry IV CHAPTER 18 J0int\'enture-~ :-.:: at'u re c f Joint VemIItm \ ~3.:r-. Charac lie ,jsI!lU"pC'l A ccc>wJJtiDIII:.. iPlrlUU!!iilm CHAPIa:B 243 o;..s,pbg"w4wP11nttb 244 245 COtij"S!. . .::._",....~--Acc()ii.IIII" " ""~'" 252 'i1 CH~ !Ii" Depat'j!i'i' CHAPfER16 Accounts of Non-Profit-Making Organizations. Receipts and Payments Account Subscription in Arrears and in Advance Sundry Matters CHAPTER 17 Partnership Accounts , The Origin of a Partnership General Principles of Partnership Partnership Agreem~ Adjustment in PartIrlu Admission of a Pa:rIIDr Revaluation of Pa.r1I:IIrnJl Admission of a Paun1:II: Methods of\'alumg"\( Methods of Dea..lingll Partner _.._-_._ . Retirement of a Patrtr Amalgama tion of Pa!l Partners' Cash/ ~ Dissolution of PaII'tlIlUt! Rule for Distri~ 262 263 ill All~ Int:er-Det-" 1111 264 273 CHAPTEaa cc~pany Mt,,'."'" ':-:_-pes of C';UFli!iit ,I:. " "' , " , , , of'" 284 :onn4tionof~ 284 285 Certifialle !\i~anchaa.A ",, ., , , , ,., , 193 .... 194 ... 194 ..... 195 ...." 197 ........ 198 ........ 199 ., 200 " 205 . ,. ,."""._ . ,........._ ".,,,,,,,._ "......._ ".".,,_ ....,.,..__ 219 219 220 220 221 221 "...,,,_ ,222 . . . . " '_ 223 "'..."'_....243 .........__...244 ,.. . . " ,.,._ 245 Partnership Agreement Adjustment in Partnership Accounts Admission of a Partner Revaluation of Partnership Assets Admission of a Partner Goodwill Methods of Valuing Goodwill in Partnership Methods of Dealing with Goodwill on Admission of a new Partner ~ Retirement of a Partner Amalgamation of Partnership Business Partners' Cash/Bank Account Dissolution of Partnership Rule for Distribution of Assets on Dissolution , 286 289 302 302 307 , 309 311 313 318 320 324 326 CHAPTER 18 Joint Venture Accounting Nature of Joint Ventures Main Characteristics Accounting Procedure 336 336 336 337 CHAPTER 19 Conversion of a Partnership Business to a Limited Liability Company , Accounting Procedures and Entries for the Conversion 349 349 CHAPTER 20 Departmental Accounts '""" Allotment of Indirect Expenses ···..·..· Inter-Departmental Transfers ., .. ,,,,., 379 379 380 ........,_., 252 . ", ,.__._.262 ,.,., _263 , , " "__264 , ", ",.., , ,.__ 273 ,,,,.,.,,.284 """.."'". "'""", 284 , ,. , . , , , , , , . , , ..,285 CHAPTER 21 Company Accounts , Types of Companies Formation of Company " Certificate of Incorporation " Memorandum of Association " , " ·..· v "' "' 390 , 392 ,394 395 395 The Articles d , ' .,396 The Statutory D u , 3 9 7 Share Capital....................... . .J97 The Issue of Shares , ......400 Shares issued at a Premium . ,., 405 Calls , ,.., 418 Calls ill Advance 418 Calls in Arrear 418 Forfeiture of Shares 419 Debentures 4·26 Final Accounts of Limited Companies 427 The Balance Sheet 430 Cash flow Stat.!::!! Preparaticr. lQ,r ill Statement ot 50~ Sources of \~iIJ\8 PreparationlolE:fI Index .....--"..,,""""" CHAPTER 22 Limited Liability Companies: Preparation of Final Accounts for Publication 443 Published Balance Sheets 444 Profit & Loss Accounts of Companies .,447 Directors Report 448 CHAPTER 23 Financial Statement Analysis Financial Ratio Analysis Standards of Comparison Liquidity Ratios Liquidity Receivables Debt Ratios Coverage Ratios Profitability Ratios Ratios that Relate Profit to Investment Uses and Limitations of Ratio Analysis CHAPTER 24 Funds Flow Statements The Furpose of Funds Statement Thee .." ',lvcptional Funds Statc.nents vi ------- -~-- ~ .458 458 459 460 461 463 463 465 .,466 .467 ..484 ., 485 ..l86 ·:ilIlli:. ,'.'~~,,~:'\ 11. " .. ., .l~ "196 "197 397 AOO .... 405 """"".. .,_ 418 "",.",,,.,,.,__ ,418 CashfIowStatements Preparation of a Cash Flow Statement Statement of Source and Application of Funds Sources of Working Capital Preparation of Funds Flow Statements Index , , , ''''''''''''''''''_'_'.,.418 . """",,-·--..419 """"""..-_.426 . ".·. _.· -427 ,,,,,,,,,,.,_.430 IIIIds """",._443 ".",,,_444 ",.,,,,,.,-447 """",,-448 ,·,,-458 """",••...........458 .•"""".",."..459 ,,,,,,,,,,,,,,,,.,,,.460 ".""""""",.",,461 """.".",,,.,,,,,,463 "",,,.,,,,,,,,,,,,,:463 , , , , , ,..,,,,,,,,465 ",,,,,,,,,,,,,,,,,,,,466 "",,,,,,,,,,,..,,,467 ""', .... ~.""-:: , , 48-:­ 496 .492 494 ..496 , 507 PREFACE Financial Accounting 1 is designed for USi: :.:' 3. first year accounting course at the polytechnic and university iev e. it describe the fundamental concepts and principles that underbe accounting information, shows how accounting data are accurr.u.ated, and initiates the student into the following specific objectives 1. 2. 3. Developing a general understanding of financial reports and analyses that students will find useful in their personal affairs regardless of their fields of specialization. Providing a strong foundation for subsequent courses in . finance and general business, and Initiating the course work leading to a career in accounting. The concepts and principles that guide financial accounting are continuously emphasized and explained so that students will be able to generalize a1,-1 apply their knowledge in a 11 situations. As the concepts and principles are gradually introduced, they are defined, explained and illustrated with practical application such that students do not hold abstract concepts in limbo before they see how concepts applied. The central focus of this book is to show how financial accounting data are accumulated and how periodic financial statements are prepared so that students can interpret and use accounting information intelligently and effectively. The mark of this book is in the careful integration and effectively. The mark of this book is in the careful integration of conceptual principles and their application to specific business situations. The material has been arranged to allow flexibility of usage by both students and instructors. It has been arranged in such a way that every chapter aids in the understanding of the next chapter. At the end of every chapter, assignments and problems have been provided to test student's ability to com pliehend. N, A. UIKPAI B. D. KIABEL L. C. OBARA June.2004 viii I 11.· ...." :~i .t~f % The publication of tra of many people. We do express our ~'; of Management ScJne Technology (RSCST . Our specific thanks g:[ Chief P. o. Obele. Dr . B. Johnnie, Dr. 0 Tamunomiebi, mr. D Hamilton. We are grateful to the (WAN) West Africar­ us use their past exarr Association of AccC':n.IT John Bossi. For the encouragemei and above all, we ac guidance and protects year lItrill: describe :' ,D:JroUnting dl*d, and ,ill .first 'l!II~and 1!llulIDJJn1liil1 affairs t ,lI:IlllUl'Ses in l:!lCQlI'lting. l ,KJCOUTIting fuamIIs will be IIIIinmDmms.. As the BE defined, i such that Eyse€how ,~Thow .. periodic fiIllil!!llll.JMet and "liJIIRmark of IIIlIIIliiidt of this es oUDd. their ACKNOWLEDGMENT The publication of this book was made possible with the assistance of many people. We do express our gratitude to the staff and students of the Faculty of Management Science, Rivers State University of Science and Technology (RSUST), Port Harcourt, Nigeria for their contributions. Our specific thanks go to the following colleagues: Dr. J. 1. M. Braide, Chief P. O. Obele, Dr. D. W. Maclaytom, Prof. B. A. Fubara, Prof. P. B. Johnnie, Dr. O. O. Eni, Mrs. T. A. Udenwa, Mr. M. D. Tamunomiebi, mr. D. S. MacOdo, Rev. T. A. Amangala and Mr. LI. 1. Hamilton. We are grateful to the Institute of Chattered Accountants of Nigeria (WAN) West African Examinations Council (WAEC), for allowing us use their past examination questions. We are also grateful to the Association of Accountancy Students and to our medical doctor Dr. John Bossi. For the encouragement and understanding, we thank our families and above all, we are most grateful to God Almighty for his guidance and protection. N. A. UKPAI B. D. KIABEL 1. C. OBARA 'i]ljfusageby t:liII'WaY that 11plIIU. A t the {::TlI F'!"C",i ded ix FOREWORD The book has attempted to present a flexible and teachable yet demanding textual base for financial accounting. It has presented a balanced coverage to the problem of finding an ideal relation benveen an understanding of accounting procedures and the liability to produce and use accounting information effectively. Accounting has who care to defi drawn from the 1. "The eel periods (accomj 2. Accours commm judgme Amero The book has provided a strong foundation for subsequent courses in business finance and administration and also initiated the course work leading to a career in accounting. 3. AccoUDl measure total eIrr." possessi I recommend this book to first year students of accounting, finance and general management in institutions of higher learning in Nigeria. 4. AecOUD The organization of this text allows flexibility of usage by both students and instructors as each chapter aids in the understanding of the next chapter. There are a wide range of questions, review exercises and problems at the end of each chapter to assist and test user's comprehension. E. O. OBELE, FCA Burser Rivers State University of Science and Technology Port Harcourt SUlIUDiilllll transadiD f inanc:iiiaIl AII'lel'iiJic3 1971l The definitic:lrJms; each of tlJeIa omittedordoa!m For exampie., I keepingasped definitionillllllllitJi June,2004 x ----- - - - CHAPTER 1 DEFINITION OF ACCOUNTING wet cia i1Lm Accounting has been defined in as many ways as there are people who care to define it. The following definitions have been arbitrarily drawn from the literature of its meaning. the oth mg 1. "The central purpose of accounting is to make possible the periodic matching of costs (efforts) and revenues (accomplishments)" (Littleton, 1953). 2. Accounting is the process of identifying, measuring and communicating economic information to permit informed. judgments and decisions by the users of the information. American Accounting Association (AAA, 1966). 3. Accounting is a discipline which is concerned with the measurement and communication of certain aspects of the total environment relating to the interplay of man and his possession and utilization of scarce means's" (YU, 197, " 4. Accounting is an art of recording, classifying and summarizing in a significant manner and in terms of moncv, transactions and events which are, in part, at last, of cl financial character, and interpreting the results thereof. American Institute of Certified Public Accountants (AICPA, 1971). ilf'W IlleSt InCe m The definitions should be seen as complementing one another since each of them attempts to highlight some aspect of accounting omitted or dampened by the others. For example, the AICPA definition is quite detailed on the book­ keeping aspects of accounting, elaborating as it were, on the other definition and it includes interpreting of bookkeeping information as 1 Financial Accounting 1 belonging to the accounting function. Specifically, the AICPA definition can, for the purpose of simplicity, be divided into two parts; viz.: The part that deals with recording transactions; and the part that deals with interpreting, classifying and summarizing the results of the final part. The first is what we call "bookkeeping" . Accounting or accountancy includes bookkeeping as well as the second part that is, classifying, summarizing and interpretation of the information made available by bookkeeping. Thus, Recording commits the transactions and event to writing. The recording may be in the form of pen-pencil markings made by hand or it may be accomplished by various mechanical and electronic devices. ClassifiJing involves sorting the many transactions in an orderly and systematic manner. Special forms and procedures are devised to facilitate this process. A mass of isolated transactions conveys little meaning when considered individual; the data become useful, only when sorted according to predetermined classes. Transactions must be understood before they can be classified. Summarizing brings the accounting data together in a form that further enhances their usefulness. It is not the single business act but the sum of all the operations of a day, a week, a month, or a year ,that has the greatest significance. Therefore summaries of operations and their effect on property and rights to property are prepared at intervals. These reports are made to the managers of the enterprises and to others who need the information. Interpreting the result of operations as summarized in the various reports is an essential part of accounting. Interpretation frequently takes the form of percentage analyses and ratios. 2 Comparisons betweer. .:::..­ reveal important tre:l.ds,: significant deYe10F~ explained, omphasized.em BOOK KEEPIKG DEF1N1 Book keeping is the art jJJD'fr l business, or an indivichImaJl1lJiJ order to obtain necessary iimm The definition has fOllll'diirH a) Bookkeepingis.-IL.aI b) It is concerned wiIIII typeof~lii: c) The tra.nsad:iol&_ nct irr i termsof1wpam dI The 'J~ci bod. ~ the'Ci~"'iIIiit 8()()K1ti'ii'riINI&;...-J­ TheflE DIs ~_@" ........; thetwo'..-' dematG1J1Iiri:8 recording cibbo"'­ __ may be resP"*!I_I. . . .~ or only a small. srgil"iMliIJ,_ department stoee, w.:ImtlGll~ nature. Accounting is priInaJit.r '0 records, the preparatima ,1lID1tI recorded data 'and the pllilei direct and review the~,· i"lIe' A:CPA in to two ~,dl iItue part that iInte results of _JIKlroun tin g 'Siiecvnd part iI:nlOO'll of the lilt lID writing. IDJC5 made by ::Mnical and 1IIIJ'm-derlyand r~ devised to cenvevs little eusefut only Transactions form that blisiness act ftili. or a year rmmaries of property are :m.agers of the II all ~ Jr, the various frequently 00 Comparisons between different dates and periods of time may reveal important trends. From these ratios and trends, the most significant developments in the affairs of a business may be explained, emphasized, and guided. BOOKKEEPING DEFINED Book keeping is the art of recording the financial transactions of a business, or an individual in terms of money and in a set of books in order to obtain necessary information when required. The definition has four distinctive parts: a) Book keeping is an art; not a science. It is concerned with recording financial and not any other b) type of transactions: c) The transactions must be recorded in terms of money and not in terms of quantity. d) The object of book keeping is to provide information about the conduct and status of the business. BOOKKEEPING AND ACCOUNTING There is some confusion over the distinction between "bookkeeping" and "accounting". This is due in part to the fact that the two axe related and that there is no universally accepted line of demarcation between them. In general, bookkeeping is the recording of business data in a prescribed manner. A bookkeeping may be responsible for keeping account of the records of a business or only a small segment such as a portion of a business accounts in a department store. Much of the work of the book-keeper is clerical in nature. Accounting is primarily concerned with design of the system of records, the preparation of reports based on the interpretation of recorded data 'and the preparation of reports'. Accountants often direct and review the work of bookkeepers. The larger the busine-ss. 3 Financial Accounting 1 the greater the number of gradations in responsibility and authority. The work of accountants at tl.; beginning levels may include some bookkeeping. In any event it is apparent that the accountant must include some bookkeeping. In any event, it is apparent that his accountant must possess a much higher level of knowledge and analytical skill than is required of the book keeper. More specifically, the accountant should be concerned with more than the recording phase. He should, for instance, carry out the following functions: 1. Directing and coordinating the work of the book keeping staff and designing and maintaining accounting systems adequate to the needs of the particular business. 2. Preparing periodical accounts of profit and loss, and financial position statements in a form which will be of assistance to the management and other users not only in appraisingpastresults, but in formulating future policy. 3. To bring to light significant facts to enable errors in management and policy to be rectified and reforms and economies to be introduced through careful scientific analysis of accounting records. Diff eTielr1ltni@ .., In~-0luOP1] or anart1JE ....., \\r;Ail 00' 11i aL<~'::'~ +. In t.~ OilIlXlC~l jiffer .&iam ''''~lJlf~I'' -'}//UI:!!. '!'" 4. To advise and consolidate the accounting records of branches and subsidiaries; 5. To install and direct costing systems. 6. To advise management and give effects to their policy on all matters affecting the business in its financial and accounting aspects. 4 -------- r ill r.i;;~:t .':'", ~;.' Definition ofAccounting 1 EXERCISE iity and !"ll'1ds may IItt lhat the WftllI:, it is 1. Differentiate between accounting and book keeping. 9'levelof Ildteeper. 2. In your opinion, should accounting be considered a 'science' or an art? Explain. 3. What do you think is the most important function of the accountant in a business organization? 4. In the accounting process, how does the art of summarizing differ from that of interpreting? m'lIIfd with . ICiaITYOut k ]keeping g systems iIoss, and ril be of 1l."Jt onlv in poticy. .I errors in and scientific ICJOIlS I&UTds of )100· on all rial and 5 View publication stats