Math 1090
Quiz 11
3 February, 2012
Name:
Instructions: Answer the questions below. Make sure to show all work
clearly.
This quiz has two sides.
1. YKK is the world’s largest manufacturer of zippers. Suppose their fixed costs are $2000.
Each zipper requires $0.20 worth of materials. The zippers are sold for $0.60 each.
(a) (3 points) Write the cost, revenue, and profit functions for YKK.
(b) (3 points) How many zippers must YKK manufacture to break even?
(c) (2 points) What is YKK’s marginal profit?
(d) (2 points) If YKK manufactures 10,000 zippers, what is their profit?