Roberts Company produces two weed eaters: basic and advanced. The company has four activities: machining, engineering, receiving, and inspection. Information on these activities and their drivers is given below. Basic Advanced Total Units produced 100,000 300,000 $8,000,000 $38,000,000 Prime costs $30,000,000 Machine hours 100,000 500,000 600,000 Engineering hours 400 3,600 4,000 1,600 Receiving orders 400 1,200 Inspection hours 800 1,600 2,400 Overhead costs: Machining $6,000,000 Engineering 2,000,000 Receiving 560,000 Inspecting products 360,000 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 costss using activity rates. Round your answers to the nearest cent. Unit cost Basic per unit Advanced per unit Calculate the overhead cost per unit. Round your answers to the nearest cent. Overhead Cost Basic per unit Advanced 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 Basic Advanced