Zohar, Inc., currently has an all-cash credit policy. It is considering making a cha the credit policy by going to terms of net 30 days. The required return is .89 perce month. New Policy Current Policy Price per unit $ 240 $245 Cost per unit $ 176 $ 181 Unit sales per 1,710 1,760 month Calculate the NPV of the decision to change credit policies. (A negative answer s be indicated by a minus sign. Do not round intermediate calculations and roun answer to 2 decimal places, e.g., 32.16.) NPV