Listed here are the total costs associated with the production of 1,000 drum sets manufactured by TrueBeat. The drum sets sell for $500 each.

	Costs
1.	Plastic for casing$17,000
2.	Wages of assembly workers$82,000
3.	Property taxes on factory$5,000
4.	Accounting staff salaries$35,000
5.	Drum stands (1,000 stands purchased)$26,000
6.	Rent cost of equipment for sales staff$10,000
7.	Upper management salaries$125,000
8.	Annual flat fee for factory maintenance service$10,000
9.	Sales commissions$15 per unit
10.	Machinery depreciation, straight-line$40,000

. 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.)

		Cost by Behavior		Cost by Function
	Costs	Variable	Fixed	Product	Period
1.	Plastic for casing	$17,000		$17,000
2.	Wages of assembly workers			82,000
3.	Property taxes on factory			5,000
4.	Accounting staff salaries				35,000
5.	Drum stands			26,000
6.	Rent cost of equipment for sales staff
7.	Upper management salaries		1
8.	Annual flat fee for factory maintenance service
9.	Sales commissions
10.	Machinery depreciation, straight-line