Fundamentals of Cost Accounting 2nd Edition by William Lanen, Carolyn Wells, Michael Maher

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Learning Curves
Assume that Whee, Cheatham, and Howe is an auditing firm that has found that its summer interns are subject to a 90 percent learning curve for one of its important tasks, proofreading financial statements. For one of its interns, Kim Down, the firm has started to analyze the relation between time and financial statement proofreading.

Required
a. Complete the chart by filling in the time required to proofread 4, 8, and 16 financial statements.
b. Assume that Kim's labor time costs $10 per hour. Compare the cost of proofreading the first financial statement to the cost of proofreading the 16th financial statement. What is the percentage of the cost of proofreading the 16th financial statement to the cost of proofreading the first financial statement