Your firm wishes to determine whether or not to extend credit to a customer who has ordered 100 boxes of product from your firm that you sell for $23 a box and which costs the firm $17 per box. Which of the following comes closest to the probability of paying that would make the firm indifferent to handing out the credit? Assume that the customer will make only one order.

A. 7.0%

B. 10.0%

C. 23.4%

D. 30.0%

E. 73.9%