During review ,the G4L trustees judge investments 2 and 5 to be considered as mutually exclusive.

d. Which alternetives should now be selected?

e. What is the present worth for G4L's new optimum investment portfolio?

f. What is the IRR for the portfolio?

consider the original problem

g. Determine the optimum portfolio (state the investments selected and the portfolio PW) using (1) the current limit on investment capital ,(2) plus 20%, and (3) minus 20%.

h. Determine the optimum portfolio (state the investments selected and the portfolio PW) using (1)the current MARR ,(2) plus 20%, and (3) minus 20%.

Aerotron Radio Inc. has $250,000 available, and its engineering staff has proposed the following indivisible investments. With each, Aerotron can exit at the end of its planning horizon of 5 years and have its initial investment returned. In addition, each year Aerotron will receive the annual return shown beloW. MARR is 12 percent. Investment 2 4 5 Initial Investment $75,000 $65,000 $50,000 $80,000 $100,000 Annual Return $10,800 $12,000 $7,500 $13,750 $15,750 For the original problem: a. Which investments should Aerotron select for the optimum portfolio? b. What is the present worth for the optimum investment portfolio? c. What is the IRR for the optimum investment portfolio