Question: Baily Cox, an audit manager, judged that the test of controls of the company's 50,000 purchase transactions should be based on a tolerable rate of deviation of 6 percent, a risk of overreliance of 5 percent, and an expected population deviation rate of 3 percent. Using AICPA sample size tables, Cox determined that the appropriate sample size in this situation would be
a. 49.
b. 78.
c. 132.
d. 195.