"Consider the following two investment alternatives: The firms MARR is known to be 14%. (a) Compute PW (14%) for A1. (b) Compute the unknown cash flow X in years 2 and 3 for A2. (c) Compute the project balance (at 14%) of A2 at the end of year 3. (d) If these two projects are mutually-exclusive alternatives, which one would you select based on the PW criterion? (e) If these two projects are mutually-exclusive alternatives, which one would you select based on the IRR criterion