Answer 9 and 10

9. The internal rate of return is the: A) discount rate that causes a project's aftertax income to equal zero. B) discount rate that results in a zero net present value for the project. C) discount rate that results in a net present value equal to the project's initial cost. D) rate of return required by the project's investors. E) project's current market rate of return. 10. Both Projects A and B are acceptable as independent projects. However, the selection of either one of these projects eliminates the option of selecting the other project. Which one of the following terms best desoribes the relationship between Project A and Project B? A) Conventional B) Unconventional C) Mutually exclusive D) Mutually inclusive E) Erosion