A firm produces 500 units per week. It hires 20 full-time workers (40 hours/week) at an hourly wage of $15. Raw materials are ordered weekly and they costs $10 for every unit produced. The weekly cost of the rent payment for the factory is $2,250. How do the overall costs breakdown?
a. Total variable cost is $17,000; total fixed cost is $2,250; total cost is $19,250
b. Total variable cost is $12,000; total fixed cost is $7,250; total cost is $19,250
c. Total variable cost is $5,000; total fixed cost is $14,250; total cost is $19.250
d. Total variable cost is $5,000; total fixed cost is $2,250; total cost is $7,250