Musich Corporation has an activity-based costing system with three activity cost pools--Machining, Setting Up, and Other. The company's overhead costs, which consist of equipment depreciation and indirect labor, have been allocated to the cost pools already and are provided in the table below.

Activity Cost PoolsMachiningSetting UpOtherTotalEquipment depreciation$8,000$45,200$22,400$75,600Indirect labor2,4002,2003,4008,000Total$10,400$47,400$25,800$83,600

Costs in the Machining cost pool are assigned to products based on machine-hours (MHs) and costs in the Setting Up cost pool are assigned to products based on the number of batches. Costs in the Other cost pool are not assigned to products. Data concerning the two products and the company's costs appear below:

MHsBatchesProduct Z35,300400Product T15,5001,000Total10,8001,400

Product Z3Product T1Sales (total)$216,800$248,500Direct materials (total)$80,500$96,200Direct labor (total)$108,600$101,700

Required:

a. Calculate activity rates for each activity cost pool using activity-based costing.

b. Determine the amount of overhead cost that would be assigned to each product using activity-based costing.

c. Determine the product margins for each product using activity-based costing.