Last Month a Manager's Operation Achieved $60,000 in Food Sales

Multiple Choice

Last month a manager's operation achieved $60,000 in food sales and $40,000 in beverage sales. The manager's cost of sales for food was $15,000 and cost of sales for beverages was $8,000. What was the manager's cost of sales percentage for food last month?

A) 20%
B) 25%
C) 30%
D) 35%