Ranada company manufactures and sells sportswear products. ranada uses activity-based costing to determine the cost of the customer return processing and the shipping activity. the customer return processing activity has an activity rate of $45 per return, and the shipping activity has an activity rate of $10 per shipment. ranada shipped 3,000 units of product 1 in 1,200 shipments (some shipments are more than one unit). there were 150 returns. determine the total activity costs for the return and shipping activities of product 1.