Exercise 4: Suppose the company CBA has the possibility of undertaking two different investment projects: the CBA alpha project and the CBA Beta project. These projects have the following cash flows: Year CBA Alpha (in dollars) CBA Beta (in dollars) 0 -9000 -9000 1 12000 0 2 0 0 3 15870 a) Calculate the NPV of each project using a 14% discount rate. Determine which of the two projects is preferable based on this criterion. b) Evaluate the IRR of each project. Determine which of the two projects is better based on on this criterion. c) What reinvestment rate would generate a NPV of identical cash flows for the two projects after three years