Greife Corporation's activity based costing system has three activity cost pools Machining. Setting Up, and Other. The company's overthead costs have already been allocated to these cost pools as follows Costs in the Machining cost pool are assigned to products based on machine hours (MHis) and costs in the Setting Up cost pool are assigned to products based on the number of batches, Costs in the Other cost poof are not assigned to products. The following table shows the machine hours and number of batches associatied whth each of the comparrys two products: Additional data concerning the company's products appears betow 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