Codiac Corp. currently has an all-cash credit policy. It is considering making a change in the credit policy by going to terms of net 30 days. The required return is 0.61% per month. Price per unit Cost per unit Unit sales per month Current Policy $ 160 $ 128 1,230 New Policy $ 163 $ 131 1,260 Calculate the NPV of the decision to change credit policies. (Negative answer should be indicated by a minus sign. Do not round intermediate calculations. Round the final answer to 2 decimal places. Omit $ sign in your response.) NPV ta