Barb's Soccer Ball Company produces 800 soccer balls per week. If the firm used marginal cost pricing to determine soccer ball output, it would produce 600 soccer balls. Consumers do not receive the most desirable quantity of soccer balls from Bob's because

D. The cost of producing the additional 200 soccer balls is greater than the amount that consumers are willing to pay for the additional soccer balls.

Explanation:

In the question, it is given that the number of soccer balls produces per week is 800 and if the firm is using the marginal cost pricing than it would produce 600 soccer balls

So according to the above data, the consumers do not receive the most desirable soccer balls quantity because 200 soccer balls are additionally produced and at the same time the additional 200 soccer balls is more than the willingness to pay the amount for the same additional units