Rock Creek Bottling Company pays its production manager a salary of $6,000 per month. Salespersons are paid strictly on commission, at $1.50 for each case of product sold. For Rock Creek Bottling Company, the cost of the salespersons' commissions is an example of:For Rock Creek Bottling Company, the production manager's salary is an example of:
A) a variable cost.
B) a mixed cost.
C) a fixed cost.
D) none of these