Alexander Moore & Co. is willing to offer credit on a one-time purchase provided the NPV of the transition is at least $50 at a required monthly return of 2 percent. Assume a potential sale has a sales price of $248 and a variable cost of $164. What is the maximum probability of default that will result in an acceptable offer?

A.32.55%

B. 29.62%

C. 11.98%

D. 10.02%

E. 18.50%