Assume that Whee, Cheatham, and Howe is an auditing firm that has found that its summer interns are subject to an 80 percent cumulative 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 costs and financial statement proofreading.

Cumulative Number Average Time Total of Financial Spent per Financial Time Statements Proofread Statement Spent i ectie0c, Mcereon esrertnmnaoe rcoweocare ace 30 hours 30 hours Deas eased aeatie ei ea hits detec 24 hours 48 hours Ae SSR een Cre REL cea eae ? ?

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a. Complete the chart by filling in the amounts for volumes of 4, 8, and 16 units.

b. If Down is paid $30 per hour, how much will it cost, in total, for Down to proofread eight financial statements?