Problem 1-1A Cost computation, classification, and analysis LO C2, C3 [The following information applies to the questions displayed below.] Listed here are the total costs associated with the 2017 production of 1,000 drum sets manufactured by TrueBeat. The drum sets sell for $485 each. Costs 1. Plastic for casing$22,000 2. Wages of assembly workers$88,000 3. Property taxes on factory$6,000 4. Accounting staff salaries$30,000 5. Drum stands (1,000 stands purchased)$32,000 6. Rent cost of equipment for sales staff$12,000 7. Upper management salaries$190,000 8. Annual flat fee for factory maintenance service$21,000 9. Sales commissions$15 per unit 10. Machinery depreciation, straight-line$46,000 Problem 1-1A 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.)