Use this information for Miramar Industries to answer the question that follow. Miramar Industries manufactures two products: A and B. The manufacturing operation involves three overhead activities-production setup, materials handling, and general factory activities. Miramar uses activity-based costing to allocate overhead to products. An activity analysis of the overhead revealed the following estimated costs and activity bases for these activities: Cost Activity Production setup Material handling $250,000 150,000 80,000 Activity Base Number of setups Number of parts Number of direct labor hours General overhead Each product's total activity in each of the three areas are as follows: Product A Product B 100 300 Number of setups Number of parts Number of direct labor hours 40,000 20,000 12,000 8,000 What is the activity rate for materials handling? Oa. $1.50 per part Ob. $2.50 per part Oc. $7.50 per part Od. $3.75 per part Make-or-buy decisions should be made only with related parties. O True O False