Problem 3 (20 points) A machine which can be used to produce an aircraft part from titanium has an initial cost of $140000 (initial investment at year 0) with annual operating cost of $25,000 and revenue of $75,000 per year starting 4 years from now. In year 5, $8000 was given to the company by Environmental Protection Agency as credit for its environmental compliance. What is the payback period at a) 0% b) 12% Given the two guesses for x number of years to be 3 yrs and 4 yrs at 12 % starting from the 4 year. Ensure you draw one cash flow diagram for the two interest rates. Problem 3 (20 points) A machine which can be used to produce an aircraft part from titanium has an initial cost of $140000 (initial investment at year 0) with annual operating cost of $25,000 and revenue of $75,000 per year starting 4 years from now. In year 5, $8000 was given to the company by Environmental Protection Agency as credit for its environmental compliance. What is the payback period at a) 0% b) 12% Given the two guesses for x number of years to be 3 yrs and 4 yrs at 12 % starting from the 4h year. Ensure you draw one cash flow diagram for the two interest rates