Chapter 10 acquisition and expenditure cycle including audit of accounts payable and inventory existence 1 1.Typical activities • • • • • • (1)purchasing goods and services. (2)paying the bills. Authorization custody recording periodic reconciliation 2 To vendor Cash disbursement Cheques Start here Request for purchases Recording Purchase requisition Cheque copy Requisition Purchase order Receiving report custody Invoice Voucher envelope Receive goods and services Receive vendor invoice Voucher invoice Cash disbursement transaction file Purchase order Authorization Enter accounts payable Accounts payable master file Asset and expense accounts Perpetual inventory record To vendor Receiving report Put goods in inventory put fixed assets in productive service Put services to use Accounts/Records: Raw materials Work in process Finished goods Property, plant, equipment Insurance Supplies Various expenses Cash disbursements Accounts payable 3 Accounts/Records: Raw materials Work in process Finished goods Property, plant, equipment Insurance Supplies Various expenses Cash disbursements Accounts payable 4 Segregation of responsibility • authorization • Custody recording • reconciliation 5 (1)Authorization • A.PURCHASES ARE REQUESTED. • B.purchasing department seeks the best prices and quality,issues a purchase order. • obtaining competitive bids. • C.cash disbursements are authorized • (order,invoices,internal receiving reports) • D.cheques are sighed(over a certain amount, 2; vouchers be marked “paid”---付讫) 6 (2)custody • A.inspect the good received (a receiving report). • B.put in the hands(other responsible person) • C.cash “custody” rest largely,authorized to sign cheques. • D.access to blank documents. • Forge a false purchase order to fictitious vendor, receiving report, invoice, • company cheque, supplier 7 (3)recording • A.TIME: PERCHASE ORDER,INVOICE, RECEIVING REPORT ARE IN HAND. • B. DR: inventory, fixed asset,expense account • CR:ACCOUNTS PAYABLE • C. DR: ACCOUNTS PAYABLE • CR:CASH 8 (4)periodic reconciliation • EXISTING ASSETS TO RECORDED AMOUNT • (账实核对) • A.inventory on hand, perpetual inventory records • B.book cash balance, bank cash balance • C.fixed assets, detail records • D.detail of accounts payable, the control account. • E.internal audit confirmation of accounts payable to compare vender`s report to recorded liabilities . 9 2.audit evidence in management reports • (1)open purchase orders • market prices have fallen below • (2)unmatched receiving reports • material unrecorded liability • (3)unmatched vendor invoice • compare to (2) • material unrecorded liability 10 (4)accounts payable trial balance • List by vendor control ac invoice All paid and unpaid accounts payable should be supported by voucher voucher:a cover sheet, folder,envelope that contain all the supporting document. 11 (5)purchases journal • Sample selection of transactions for detail test of controls audit of supporting document • for validity,authorization,accuracy, classification,accounting,and proper period recording. 12 (6)inventory reports (trial balance) (7)fixed asset reports • (A) to scan for unusual conditions(-, over) • (B) as a population for sample selection • observation 13 (8)cash disbursements report • Sample selection for detail test of controls audit of supporting document in the voucher • for validity,authorization,accuracy, classification,accounting,and proper period recording. 14 3.control risk assessment • • • • • Account balance (1)general control considerations (2)detail test of controls audit procedures (3) detail test of controls for inventory records (4) summary:control risk assessment 15 (1)general control considerations • A.Segregation of responsibility • B.Detail control checking procedures INTERNAL CONTROL QUESTIONNAIRE 16 (1)general control considerations • Segregation of responsibility • authorization • Custody recording • reconciliation 17 Segregation of responsibility • A.authorization(requisitioning, purchase ordering). • Custody, recording, reconciliation • B. Custody of inventory and cash • .authorize purchase, recording, reconciliation 18 Segregation of responsibility • C.recording(accounting) • .authorization, Custody, reconciliation • E. Reconciliation • .authorization, Custody, recording • combination of 2 of more 19 (1)general control considerations • • • • • Detail control checking procedures A.Purchase requisitions and orders,sighed B.inventory warehouses,fixed asset locations, security C.accountants, supporting documentation,date D.vendor invoice, compare to purchase order and receiving report (price,quantity). 20 (1)general control considerations • C.INTERNAL CONTROL QUESTIONNAIRE • appendix 10A 21 (2)detail test of controls audit procedures • Objective Exhibit 10-2 • detail test of control procedure: • A.样本总体 (population) • B.取证方法(action) • action: vouching, tracing, observing, scanning, recalculating • Exhibit 10-3 重要 22 (3) detail test of controls for inventory records • Direction of the test • completeness, validity • E 10-4 23 (4) summary:control risk assessment • CONTROL RISK IS LOW • observation test-count, • a date prior to the year-end • the sample size can be fairly small • CONTROL RISK IS high 24 4.audit cases: substantive audit procedures • Casette 10.1 printing (copying)money Argus production,inc. M.welby Quickprint company Real printing business 25 Casette 10.1 printing (copying)money • Problem improper expenditures For copy services charged to motion picture production costs. 26 method • • • • • M.Welby authority and responsibility for obtaining copies. 1.arrange for outside script copying services. 2.receive the copies 3.approve the bills for payment. • Purchasing, receiving, accounting 27 method • • • • • Fraud A.fictitious company, Quickprint Company. B.a post office box number C.letterhead stationery D.nicely printed invoices. • No printing equipment. 28 Argus production,inc. Bill(fictitious) 3.invoice (extra copy) 2.bill Real printing business Quickprint conpany 1.转包 4.Paid Took the rest 29 Paper trail A. Argus`s production cost files, all the Q bills B.created files for proposed films, no production. C.NO COPYING SERVICE BILLS FROM OTRERS 30 Amount 5 years, $475,000 • copy cost were capitalized, Amortized over 2-3 years • net income was overstated 31 Audit approach • Objective existence, valuation • control segregation 32 Test of controls • Weakness:combination of duty lack of managerial review. • No controls to test other than to see whether Welby had approved the copying cost bills. • Procedures: Direction of the test project files,vouch,source document Expenditures,trace, project cost records 33 Audit of balance • A. Show evidence of projects that had never gone into production. • Chance (a pattern of Q) • B.locate the Q • C.interview with M.Welby. 34 Casette 10.2 real cash paid to phony doctors • Problem • fictitious medical benefit claims were paid Self-Insured up to $5000 per employee • the expense account that included legitimate and false charges was “employee medical benefits” 35 Method • Martha Lee • manager of the claims payment department • she never missed a day of work in 10 years. • best employees • best efficiency rating 36 Method • • • • • • Control (1) the patient was a Beta employee. (2) medical treatments were covered in the plan. (3) the charges were within approved guidelines and not covered by the provincial plan. (4)the cumulative claims did not exceed $50,000. (5)the calculation for payment was correct. 37 Method • Weakness • After verification processing, claims were sent to the payment department to pay the doctor directly. • No payments ever went directly to employees. • Nobody ever verified claims information with the employee. • No one verified the credentials of the doctors. 38 Method • • • • • • Fraud false claims on real employees. Forging the signature of various claims processors. Adding her own review approval. Naming bogus doctors. Various post office box address and to her husband`s business address. 39 Paper trail • Falsified claims forms. • Fictitious employee names,processor signatures, doctor`s bill, phony doctors and addresses. • Cancelled cheques (endorsements). • Accounts opened in various banks. 40 Amount • 7, $3,500,000 • until the last, no one noticed anything unusual about the total amount of claim paid. 41 Audit approach • Objective • medical benefits “existed” • valid claims paid to valid doctors. 42 Control • No controls that connected the claims data with outside sources. • Such as employee acknowledgment or doctor investigation. 43 Test of control • “thinking like a crook” • the holes in the controls: • nobody seeks to verify data with external sources. 44 Audit of balance • • • • • Balance: medical benefits. Objective: valid existence of payment. Procedure: (1)A list of doctors and dentists paid. (2)determine whether their addresses are valid business addresses. • (3)compare claims processors` signatures on various forms. • (4) compare doctors` addresses. 45 Discovery summary • 8 “doctors” were not licensed. • 5: post office box, M.L • 3: mailing address, her husband business. • Further investigation 46 5.special note: the completeness • Completeness and obligations assertions. • Search for unrecorded liabilities. • A useful list of procedures • p420 47 6.special note: physical inventory observation • A.the best opportunity • 客户盘点,审计监盘 • (seldom actually count the entire inventory)。 • B. Instruction(11). • C. Dual-direction testing • (existence,completeness). 48 D.physical inventory not on year-end date • reconcile 49 E.cycle inventory counting • Company Never take a complete count on a single date. • Understand the cycle or sampling plan and evaluate its appropriateness. • Present for some counting operations • only under unusual circumstances and as an “extended procedure”:observe all counts 50 F.auditors not present at client`s inventory count • On the first audit • review the client`s plan for the already completed count as before. • Some test counts and trace to current records.. 51 G.inventories located off the client`s premises • If mounts are material • if control is not strong • on-site test count 52 H.inventory existence existence and completeness • After the observation is complete • sufficient appropriate evidence of the following: A.goods in the perpetual records but not owned were excluded from the inventory compilation. B.Goods on hand were counted and included in the inventory compilation. 53 H.inventory existence existence and completeness C.Goods consigned-out or stored in outside warehouse were included in the inventory compilation D.Goods in transit were added to the inventory count and included in the inventory compilation 54 H.inventory existence existence and completeness E.Goods on hand already sold (but not yet delivered) were not counted and were excluded from the inventory compilation F. Goods CONSIGNED-IN (goods on hand but not owned ) were excluded from the inventory compilation 55 Auditing assignments(ch10) • 1.casette 10.3, 10.4, 10.5, 10.6/team • 2.下列各题,每人均做,书面完成 。 • 10.31--10.45 • 3. 10.6, 10.14,10.18 56