Exercise 5: You are presented with two investment projects, X and Y. Both projects have initial investments equal with equal durations and cash flows paid at the same time. However, the flows One project's major monetary gains are made sooner than those of the other. Consider the values current net of projects X and Y calculated using the four discount rates: Discount rate (in%) NPV of project X (in dollars) NPV of project Y (in dollars) 0 4500 3500 10 2000 2000 15 0 1000 20 -1500 0 a) What is the internal rate of return (IRR) of project X? Explain your answer. b) What is the discount rate that makes the two projects equivalent? Explain your answer. c) Which project has the lowest average cash flow? Explain your