(LO 5-3) 5-43. Account Analysis The accounting department of a large limousine company is analyzing the costs of its services. The cost data and level of activity for the past 16 months are presented on the following page: Chapter 5 Cost Estimation In addition to the above information, you learn that the accounting department had the following total costs for the past 16 months for each of the following: Required a. What is the cost per unit for (1) paychecks processed, (2) customer accounts maintained, and (3) special analyses performed? b. Assuming the following level of cost-driver volumes for a month, what are the accounting department's estimated costs of doing business using the account analysis approach? - 1,000 paychecks processed - 200 customer accounts maintained - 3 special analyses