Again, in addition to the original problem statement, you now believe that investments 4 and 5 should be considered mutually exclusive. What is the present worth for the optimum portfolio? $ Suppose your own consulting firm has been doing well, and you believe it is time to add a new, related area of engineering services. To do so, you have identified the following 5 independent, indivisible, equal-lived investments, each of which guarantees you can exit it after 4 years and have your initial investment returned to you. Each year, you receive an annual return as noted beiow. Your MARR is 105 , and you have $250,000 to invest. x Your answer is incorrect