You have been asked to make a short presentation at your companys annual capital budget meeting to present an analysis of the strengths and weaknesses of the following capital budgeting selection methodologies: NPV, payback, IRR. Describe how you would respond to this request at the meeting.

The senior executives were impressed with your presentation on capital budgeting methodologies. They have asked you to present a follow up discussion regarding the companys weighted average cost of capital (WACC). Specifically, they want to know how it is calculated and, most importantly, how it should be used. Discuss your responses.