Listed here are the total costs associated with the 2017 production of 1,000 drum sets manufactured by TrueBeat. The drum sets sell for $463 each. Costs 1. Plastic for casing-$17,000 2. Wages of assembly workers-$87,000 3. Property taxes on factory-$5,000 4. Accounting staff salaries-$40,000 5. Drum stands (1,000 stands purchased)-$30,000 6. Rent cost of equipment for sales staff-$24,000 7. Upper management salaries-$150,000 8. Annual flat fee for factory maintenance service-$17,000 9. Sales commissions-$13 per unit 10. Machinery depreciation, straight-line 42,000 Problem 14-1A Part 1 Required 1. Classify each cost and its amount as (a) either variable or fixed and (b) either product or period. (The first cost is completed as an example.)