This document discusses key concepts in capital budgeting. It defines capital budgeting as the analysis of potential additions to fixed assets involving large long-term expenditures important to a firm's future. The main steps to capital budgeting are estimating cash flows, assessing risk, determining the cost of capital, and calculating metrics like NPV and IRR to determine if projects should be accepted. It also discusses concepts like payback period, discounted payback period, mutually exclusive vs independent projects, and issues that can arise with projects having multiple internal rates of return.