9. Paper Submarine Manufacturing is investigating a lockbox system to reduce its collection time. It has determined the following: Average number of payments per day 390 Average value of payment $ 980 Variable lockbox fee (per transaction) $ 0.30 Daily interest rate on money market securities 0.068% The total collection time will be reduced by four days if the lockbox system is adopted. a. What is the PV of adopting the system? PV $ b. What is the NPV of adopting the system? (Do not round intermediate calculations and round your final answer to the nearest whole dollar amount.) NPV $ c. What is the net cash flow per day from adopting? Per check? (Do not round intermediate calculations and round your final answers to 2 decimal places. (e.g., 32.16)) Net cash flow per day Net cash flow $ per check