Cash flows for an investment is given as follows: 0 1 2 3 4 5 6 CF -$150.00 $25.00 $25.00 $60.00 -$30.00 $60.00 $25.00 There is one internal rate of return (IRR) for this investment, which is 6.49%. a. Would the IRR increase or decrease if the end-of-year payment for year 6 increases to $50.00? Why? (5 points) b. If the MARR is 5%, would you invest in this project? (5 points) c. Would you try to increase or decrease IRR to make this investment more attractive? (5 points)