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  1. Write out the equation for the weighted average cost of capital and explain.

WACC =

WACC - weighted average of the component costs of debt, preferred stock, and common equity.

– After-tax cost of debt; – before-tax cost of debt

– cost of preferred stock

– cost of common equity

– weights used for debt, preferred and common equity, respectively.

  1. Explain the calculation of debt structure in the capital structure used to calculate wacc.

When calculating the firm’s target capital structure, total debt includes both long-term debt and bank debt. Investor-supplied capital doesn’t include other current liabilities such as accounts payable and accruals.

  1. Define the two factors that affect the cost of capital that are generally beyond the firm’s control.

There are two factors beyond the firm’s control:

The level of interest rates If interest rates in the economy rise, the cost of debt increases because firms will have to pay bondholders more to obtain debt capital. The higher interest rates increase the costs of common and preferred equity capital.

Tax rates, which are largely beyond the control of an individual firm, have an important effect on the cost of capital. Tax rates are used in the calculation of the component cost of debt. In addition, tax policy affects the cost of capital in other less apparent ways. For example, lowering the capital gains tax rate relative to the rate on ordinary income makes stocks more attractive, and that reduces the cost of equity. That would lower the WACC, and, it would also lead to a change in a firm’s optimal capital structure (toward less debt and more equity).

  1. Explain how a change in interest rates would affect each component of the weighted average cost of capital.

An increase in interest rate lead to increase the cost of debt, the cost of common and preferred equity capital. If interest rates in the economy rise, the cost of debt increase because firms will have to pay bondholders more to obtain debt capital. And conversely, decreases in interest rate reduce the cost of capital, encouraging additional investment.

  1. Three types of project risk and show the level of relevance.

Stand-Alone Risk - the risk an asset would have if it were a firm’s only asset and if investors owned only one stock. It is measured by the variability of the asset’s expected returns. Stand-alone risk does not take into account how the risk of a single asset will affect the overall corporate risk.

Corporate, or Within-Firm, Risk risk not considering the effects of stockholders’ diversification; it is measured by a project’s effect on uncertainty about the firm’s future earnings.

Market, or Beta, Risk That part of a project’s risk that cannot be eliminated by diversification; it is measured by the project’s beta coefficient.

Of the three measures, market risk is theoretically the most relevant measure because it is the one reflected in stock prices. Then on the second place, corporate risk, and last is stand-alone risk

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