The cost function C(x) gives the cost in dollars to produce x units of a commodity. Find the marginal cost when the production level is x = 100 units. When they produce 100 units, the marginal cost is _______ dollars.
b. Find the average cost per unit when they produce 100 units. When they produce 100 units, the average cost per unit is _______ dollars.
c. Fill in the blanks: Since the marginal cost is _______ the average cost per unit, increasing production from 100 units will cause the average cost per unit to _______.