A company has to choose between two different investments. Investment A: This investment requires an immediate outlay of $60,000 and another investment of $40,000 in year 3. The investment will return annual profits of $35,000 from year 2 to year 7. At the end of year 7, the investment has a residual value of $15,000. Investment B: This investment requires an immediate outlay of $25,000 and additional investments of $15,000 per year from year 1 to year 3. The investment will return annual profits of $29,000 from year 4 to year 7. At the end of year 7, the investment has a residual value of $25,000.

a. Calculate the NPV for investment A

b. Calculate the NPV for investment B.

c. Which investment should the company choose?