-The Table Above Gives a Firm's Total Product Schedule

Multiple Choice

-The table above gives a firm's total product schedule. Suppose labor is the only variable factor of production. The price of labor is $500 per week and total fixed costs are $600 per week. What is the marginal cost of producing the 90th unit?

A) $10.00
B) $24.92
C) $31.61
D) $50.00