The following information applies to the questions displayed below. Listed here are the total costs associated with the 2015 production of 1,000 drum sets manufactured by TrueBeat. The drum sets sell for $529 each. Costs 1. Plastic for casing-$18,000 2. Wages of assembly workers-$82,000. 3. Property taxes on factory-$5,000 4. Accounting staff salaries-$33,000 5. Drum stands (1,000 stands purchased)-$37,000 6. Rent cost of equipment for sales staff-$24,000 7. Upper management salaries-$205,000 8. Annual flat fee for factory maintenance service-$15,000 9. Sales commissions-$24 per unit 10. Machinery depreciation, straight-line-$47,000