5. (2 points) A company is considering 5 mutually exclusive projects. In considering these projects, the firm knows a) these cannot be financing projects. b) only one project will be accepted, the other four will be rejected. c) the acceptance of one project is not affected by either the acceptance or rejection of another. d) the IRR method should always be used. e) It may accept as many of the five projects it wishes as long as they have positive NPV's