Which of the following statements concerning capital project evaluation tools is correct? Select one: a. The discounted payback method overcomes all the limitations of the payback method b. A project's IRR is the rate of return that results in an NPV=0 for the project O c. The Pl method is useful for evaluating mutually exclusive projects d. A project's payback period provides a risk adjusted measure of project return e. Projects with high IRR values are rarely projects with positive net present values