5-55. The International Parcel Service has installed a new radio frequency identification system to help reduce the number of packages that are incorrectly delivered. The capital investment in the system is S65,000, and the projected annual savings are tabled below. The system's market value at the EOY five is negligible, and the MARR is 18% per year. End of Year Savings $25,000 30,000 30,000 40,000 46,000 4 a. What is the FW of this investment? b. What is the IRR of the system? c. What is the discounted payback period for this investment