Azar Skin Care sells 794 units per month at a price of $47 p…

Azar Skin Care sells 794 units per month at a price of $47 per unit. By switching to a net 30 credit policy, sales should increase to 865 units while the price remains constant. The monthly interest rate is .26 percent and the variable cost per unit is $17. What is the net present value of the proposed credit policy switch?