A corporation can buy a machine for 15,000$ with life of five years and a salvage value (selling price of the machine at end of life of the project) of 1,550$. Net revervues per year are expected to be 7,000$. MARR for this corporation is 15%. Should the corporation invest in this machine? Solve by present worth method. A 450000 investment in a new conveyor system is projected to improve throughput and increasing revenue by 14,000$ per year for five years. The conveyor will have an estimated market value of 14,000$ at the end of five years. Using FW and a MARR of 12%, is this a good investment