In divisional income statements prepared for Lemons Company, the Payroll Department costs are allocated to user divisions on the basis of the number of payroll distributions, and the Purchasing Department costs are allocated on the basis of the number of purchase requisitions. The Payroll Department had costs of $62,928, and the Purchasing Department had expenses of $29,480 The following annual data for Residential, Commercial, and Government Contract divisions were obtained from corporate records:

Residential Commercial Government Contract
Sales $2,000,000 $3,250,000 $2,900,000

Weekly payroll (52 weeks per year) 400 250 150
Monthly payroll 80 30 10
Number of purchase requisitions per year 7,500 3,000 2,000

Required:
a. Determine the total amount of payroll checks and purchase requisitions processed per year by the company and each division.
b. Using the activity base information in (a), determine the annual amount of payroll and purchasing costs charged back to the Residential, Commercial, and Government Contract divisions from payroll and purchasing services.
c. Residential's service department charge is _______ than the other two divisions because Residential is a user of service department services. Residential has many employees on a weekly payroll, which translates into a ________ number of payroll transactions.