4. A machine was purchased to produce metal parts that will generate $80,000 per year. The inflation rate is estimated 5% per year. The total cost of labor, material, and utilities is $20,000 per year at time zero and is expected to increase at 9% per year, the firm's effective rate is 50% and its after-tax MARR (considering inflation rate) is 26% per year. The machine costs $150,000 and depreciated over 3 years to zero salvage value with slight line method. Perform ATCF analysis to determine if this machine is a good investment? (20%)