Weisbrough United Currently Has a Cash Sales Only Policy

Weisbrough United currently has a cash sales only policy. Under this policy, the firm sells 410 units a month at a price of $219 a unit. The variable cost per unit is $148 and the carrying cost per unit is $3.30. The monthly interest rate is 1.3 percent. The firm believes it can increase its sales to 475 units a month if it institutes a net 30 credit policy. What is the net present value of the switch using the one-shot approach?

A) $228,400
B) $255,590
C) $261,470
D) $282,233
E) $285,902