Please help.

a. If the required rate of return on both projects is 5%, which project, if either, should management choose? Why? b. If the required rate of retum on both projects is 8%, which project, if either, should management choose? Why? c. If the required rate of return on both projects is 11%, which project, if either, should management choose? Why? d. If the required rate of return on both projects is 14%, which project, if either, should management choose? Why? e. On a graph, draw the investment profiles of Thing 1 and Thing 2. Indicate the following items: i. crossover discount rate i. NPV of Thing 1 if the required rate of return is 5% iii. NPV of Thing 2 if the required rate of retum is 5% iv. IRR of Thing 1 Vi. IRR of Thing 2