b) Compute the net present value for each machine. c) Compute the profitability index for each machine. d) Which machine should be purchased? Why? Add your answer Question 2 4 Points Michael and Bradley are two friends and both work at the Macalister Corp. Michael and Bradley plan to save for retirement, which is 33 years away. They'll both receive a 8 percent annual return on their investment over the next 33 years. Michael invests $8656 per year at the end of each year only for the first 21 years of the 33-year period. Bradley doesn't start saving for 5 years and then saves $12150 per year at the end of each year for the remaining years. How much will each of them have when they retire? Add your answer Question 3 2 Points You are offered $8157 today, $14920 in 6 years, or $59229 in 26 years. Assuming that you can earn 13 percent on your money, which should you choose? Add your