Raw materials Factory depreciation expense Direct labor Production supervisor's salary Computer rental expense Maintenance supplies used $41,000 41,000 99,600 6,300 4,000 900 Required: a. How much cost would you expect to be incurred for each of these items during April when 10,000 units of the product are planned for production? (Do not round intermediate calculations.) Raw materials Factory depreciation expense Direct labor Production supervisor's salary Computer rental expense Maintenance supplies used Total cost $ 0 b-1. Calculate the average total cost per unit for the 8,100 units manufactured in March. (Do not round intermediate calculations. Calculate the missing amounts for each of the following firms: (Do not round intermediate calculations. Round "Selling Price" and "Variable Costs Per Unit" to 2 decimal places. Enter any negative amount with a minus sign.) Units Sold Selling Price Variable Costs Per Unit Contribution Margin Fixed Costs Operating Income (Loss) Firm A 29.00 $ 119,500 $ 41,900 11,300 $ 8,900 Firm B 17.00 63,600 33,490 (5,760) Firm C 8.40 4.20 10,800 42,440 Firm D 4,100 46.00 50,660