Davis Company produces two hair dryers: regular and deluxe. The company has four activities: machining, engineering, receiving, and inspection. Information on these activities and their drivers is given below. Units produced Regular 80,000 Deluxe Total 240,000 Prime costs $6,880,000 $24,480,000 $31,360,000 Machine hours 80,000 400,000 480,000 Engineering hours 500 4,500 5,000 Receiving orders 200 600 800 Inspection hours 900 1,000 1 2,700 Overhead costs: Machining $7,200,000 Engineering 2,300,000 Receiving 232,000 Inspecting products 540,000 Required 1. Calculate the four activity rates. Machining rate per machine hour. Engineering rate per hour Receiving rate per order Inspecting rate : per hour 2. Calculate the unit costs using activity rates. Round your answers to the nearest cent. Unit cost Regular Deluxe per unit per unit Calculate the overhead cost per unit. Round your answers to the nearest cent. Overhead Cost Regular Deluxe per unit per unit 3. If consumption ratios instead of activity rates were used to assign costs instead of activity rates, show the cost assignment for the inspection activity Cost assignment Regular Deluxe