Paper Submarine Manufacturing is investigating a lockbox system to reduce its collection time. It has determined the following: The total collection time will be reduced by three days if the lockbox system is adopted. a. What is the PV of adopting the system? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) b. What is the NPV of adopting the system? (Do not round intermediate calculations and round your answer to the nearest whole number, e.g., 32.) c. What is the net cash flow per day from adopting the lockbox system? Per check? (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)