This document discusses capital markets and the investment decision process. It begins by defining key concepts like capital, investment, depreciation, and the capital market. It then explains how the capital market links household savings to business investment. Firms evaluate potential investment projects by forecasting expected costs, benefits, and rates of return to compare to the market interest rate. The decision to invest depends on projects offering returns above the cost of capital. The document provides examples and formulas for calculating present value to assess investment projects.