Zwahlen Corporation has an activity-based costing system with three activity cost pools--Processing, Setting Up, and Other. Costs in the Processing 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 and activity-based costing system appear below:

Activity Cost Pools

Processing	$ 56,800
Setting Up	$ 14,200
Other	$ 29,000

	MHs	Batches
Product D7	8,500	450
Product H0	12,500	1,050
Total	21,000	1,500

	Product D7	Product H0
Sales (total)	$ 217,800	$ 303,600
Direct materials (total)	$ 73,100	$ 145,700
Direct labor (total)	$ 106,450	$ 96,700

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.