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Session 4 Cost of Capital FIN 625: Corporate Finance Learning Objectives LO 1: Estimate the cost of equity LO 2: Explain the impact of beta in the firm’s cost of equity capital LO 3: Estimate the cost of debt LO 4: Calculate a firm’s weighted average cost of capital (RWACC) LO 5: Estimate RWACC by comparable firms Topic Outline 1. The Cost of Equity Capital 2. Estimation of Beta 3. The Cost of Debt Capital 4. The Weighted Average Cost of Capital (RWACC) 5. Firm Versus Project Cost of Capital 6. Estimate RWACC Using Comparable Firms 1. The Cost of Equity Capital Firm with excess cash Pay cash dividend Shareholder invests in financial asset A firm with excess cash can either pay a dividend or make a capital investment Invest in project Shareholder’s Terminal Value Because stockholders can reinvest the dividend in risky financial assets, the expected return on a capital-budgeting project should be at least as great as the expected return on a financial asset of comparable risk. The Cost of Equity Capital From the firm’s perspective, the expected return is the Cost of Equity Capital: R i RF βi ( R M RF ) Example: Suppose the stock of Stansfield Enterprises, a publisher of PowerPoint presentations, has a beta of 2.5. The firm is 100 percent equity financed. Assume a risk-free rate of 5 percent and a market risk premium of 10 percent. What is the appropriate discount rate for an expansion of this firm? ( R 30% ) Example Suppose Stansfield Enterprises is evaluating the following independent projects. Each costs $100 and lasts one year. Project Project b A IRR NPV at 30% 2.5 Project’s Estimated Cash Flows Next Year $150 50% $15.38 B 2.5 $130 30% 0 C 2.5 $110 10% -$15.38 IRR Project Using the SML Good A project 30% B 5% C SML Bad project Firm’s risk (beta) 2.5 An all-equity firm should accept projects whose IRRs are equal to or higher than the cost of equity capital and reject projects whose IRRs are lower than the cost of equity. Estimation of Cost of Equity To estimate a firm’s cost of equity capital, we need to know three things: 1. The risk-free rate, RF 2. The market risk premium, R M 3. The company beta, RF Cov ( Ri , RM ) i , M βi 2 Var ( RM ) σM The Risk-free Rate The government-issued securities are generally used as proxies for the riskfree asset. In practice we should match the maturity of the securities with the expected life of the firm/project. For example, if a project is expected to last for one year, then the interest rate on Treasury bills may be a good proxy for the risk-free rate. If a firm is expected to last for 30 years, then using the yield-to-maturity (YTM) of a 30-year government bond may be more appropriate. The Market Risk Premium We may use either historical average or the Dividend Discount Model (DDM) to estimate this number. We focus on the former in this course. Market portfolio - portfolio of all assets in the economy. In practice, a broad stock market index, such as the S&P 500 Index, is used to represent the market. The historical average risk premium of the market portfolio is also changing over time. 2. Estimation of Beta Beta - Sensitivity of a stock’s return to the return on the market portfolio. Cov ( Ri , RM ) σ i , M βi 2 Var ( RM ) σM Determinants of beta: Business Risk Cyclicality of Revenues Operating leverage Financial Risk (financial leverage or debt) Business risk is similar for firms in the same industry. But financial leverage can vary even for firms within the same industry. Cyclicality of Revenues Highly cyclical stocks have higher betas. Automotive firms fluctuate with the business cycle. Utilities are relatively less dependent upon the business cycle. Cyclicality is not the same as variability— stocks with high standard deviations need not have high betas. Example: Movie industry Operating Leverage Operating leverage refers to a firm’s fixed costs of production. Operating leverage measures how sensitive a firm’s (or a project’s) profit is to its revenue. Operating leverage increases as fixed costs rise and variable costs fall. Operating leverage magnifies the effect of the cyclicality of revenues on beta. Using Industry Beta Because relying on individual firms often results in larger estimation error than relying on a portfolio of firms, and that firms in the same industry have similar business risk. But business risk is not the only factor that influences beta. We should also adjust for the effect of financial leverage (Section 5). 3. The Cost of Debt Capital Estimate the cost of debt Bank debt: interest rate Publicly traded bonds: Calculate the yield to maturity (YTM) Using CAPM (similar to estimating the cost of equity) Example Apple Republic has a bond issue outstanding with 10 years to maturity. The bond is quoted at 90% of the face value. The issue makes semiannual coupon payments with an annual coupon rate of 7%. What is the cost of debt for Apple Republic? Example The cost of debt for Apple Republic is the yield-tomaturity (YTM) of the outstanding issue. By definition, YTM solves the following equation: Bond price = PV(coupon payments) + PV(par-value at maturity) Par-value=$1,000 Bond price=$900 Coupon payments = __$35__ $900 = PV(_$35_ annuity for _20_ periods discounted at YTM/2)+PV($1,000 at the end of _20_ periods discounted at YTM/2). Using a financial calculator (or EXCEL),YTM/2=4.25%. So YTM=8.5%. Before and After-Tax Cost of Debt Interest payment can reduce the tax liability of a firm. The after-tax cost of debt takes this into consideration. The after-tax cost of debt = (1Tc)*before-tax cost of debt, where Tc is the marginal corporate tax rate. In the above example, assume the tax rate is 35%, then the after-tax cost of debt = (1-35%)*8.5% = 5.53%. 4. Weighted Average Cost of Capital (RWACC) The Weighted Average Cost of Capital is given by: rWACC = Equity Debt × rEquity + × rDebt ×(1 – TC) Equity + Debt Equity + Debt S B rWACC = × rS + × rB ×(1 – TC) S+B S+B • Because interest expense is tax-deductible, we multiply the last term by (1 – TC). Debt-Value Ratio Important: The debt-to-value ratio B/(S+B) is market-value based. In practice, the market value of debt is generally very close to its book value. But we should never use the equity on the balance sheet as its market value. We must rely on stock price to calculate this amount. We should also use the target or long-run debt ratio of the firm, which may be different from the firm’s current debt ratio. Optimal Capital Structure and RWACC Example: International Paper The industry average beta is 0.82, the risk free rate is 3%, and the market risk premium is 8.4%. Thus, the cost of equity capital is: rS = RF + bi × ( RM – RF) = 3% + 0.82×8.4% = 9.89% Example: International Paper The yield on the company’s debt is 8%, and the firm has a 37% marginal tax rate. The debt to value ratio is 32%. Therefore, S B rWACC = × rS + × rB ×(1 – TC) S+B S+B = 0.68 × 9.89% + 0.32 × 8% × (1 – 0.37) = 8.34% Example: Estimate Microsoft’s RWACC Go to finance.yahoo.com, find Microsoft. Equity beta = _1.29__ Go to https://www.federalreserve.gov/releases/h 15/, find the yield of 30-year Treasury bonds (Microsoft is expected to last for a long time), which is _3.10%_. Suppose we use the historical average market risk premium of 7%. Therefore, rS = RF + bi × ( RM – RF) = 12.13% Example: Estimate Microsoft’s RWACC Go to www.sec.gov, search company filings, enter “MSFT”. From the consolidated balance sheet, find the total debt is _$142.152 Billion_. From the “Notes to Consolidated Financial Statements”, find the (weighted average) interest rate on the outstanding debt is 3% (assumed, calculation involves around 40 different issues with their respective yields). According to IRS tax rate schedule, the marginal tax rate on Microsoft’s taxable income is 35%. The market capitalization of Microsoft (from finance.yahoo.com) is _$481.84 Billion_. The debt/value ratio is B/VL= 22.78%. The equity/value ratio is S/VL = 1- B/VL = 77.22%. Example: Estimate Microsoft’s RWACC S B rWACC = × rS + × rB ×(1 – TC) S+B S+B = 77.22%*12.13% + 22.78%*3%*(1-35%) = 9.811% 5. Firm Versus Project Cost of Capital Any project’s cost of capital depends on the use to which the capital is being put—not the source. Therefore, it depends on the risk of the project and not the risk of the company. This suggests that different divisions of the same firm may have different costs of capital. 6. Estimate RWACC Using Comparable Firms If equity beta is not directly estimable, we need to use comparable firms to estimate a firm’s cost of equity. Recall that a firm’s equity faces both business risk and financial risk. The equity beta that depends only on the business risk is called asset beta (basset or b0). This is the equity beta by assuming there is no debt in a firm’s capital structure. Therefore we also call it the unlevered beta. The corresponding expected rate of return is R0. Estimate RWACC Using Comparable Firms Theoretically speaking, b0 is the same for all the firms in the same industry. Therefore, we can use comparable firms to estimate b0. Knowing b0 also allows us to estimate the cost of (levered) equity. The relationship between the betas of the firm’s debt, equity, and assets is given by: bAsset = Debt Equity × bDebt + × bEquity Debt + Equity Debt + Equity • Financial leverage always increases the equity beta relative to the asset beta. Estimate RWACC Using Comparable Firms The above equation is based on viewing asset as a portfolio consisting of debt and equity. This comes from the balance sheet identity (marketvalue based): Total Asset = Total Liability(Debt) + Total Equity Portfolio beta is a weighted average of the betas of the securities within the portfolio (Session 1). Some other formulas such as β𝑆 β𝑎𝑠𝑠𝑒𝑡 = (what you can find from 1+ 1−𝑇𝐶 𝐵/𝑆 Investopedia) is only an approximate formula. Example Consider Grand Sport, Inc., which is currently allequity financed and has a beta of 0.90. The firm has decided to lever up to a capital structure of 1 part debt to 1 part equity. Since the firm will remain in the same industry, its asset beta should remain at 0.90. Assuming a zero beta for its debt, its equity beta would become _2*0.90=1.80_. Using Comparables to Estimate Equity Beta 1. Find the comparable firms whose (levered) equity betas (bEquity) are available; 2. “Unlever” to estimate asset beta (bAsset) based on the above equation; 3. Do this for each comparable firm, so obtain multiple estimates of bAsset . Then take an average, bAsset . 4. “Relever” based on bAsset and the debt ratio of our current project (you may need to use the target debt ratio or debt capacity). Example Conglomerate Products has three operating divisions: the food, electronics, and chemicals. Conglomerate's CFO wants to estimate the cost of capital for each division, to be used as an input in the capital budgeting process. Currently, Conglomerate is financed 40% by debt. The company's debt has a beta of about 0.2. The current interest rate is 7% and the expected return on the market is 15%. Assume the debt capacity of the food, electronics, and chemicals section is 40%, 30%, and 60%, respectively. Assume corporate tax rate is 40%. Example The following three competitors have been identified as having investments similar to those of Conglomerate's three divisions: Company Equity beta B/(B+S) United Foods 0.8 0.3 General Electronics 1.6 0.2 Associated Chemicals 1.2 0.4 The debt of these comparable firms are riskfree. Estimate the weighted average cost of capital for each of Conglomerate’s three divisions. Example Rwacc (Food Division) = _10.1%_ Rwacc (Electronics Division) = _16.21%_ Rwacc (Chemical Division) = _10.70%_ Readings Chapter 12