4. The cost of retained earnings If a firm cannot invest retained earnings to earn a rate of return the required rate of retum on retained earnings, it should return those funds to its stockholders. The cost of equity using the CAPM approach The current risk-free rate of return (rup) is 4.67%, while the market risk premlum is 6.17%. the Burris Company has a beta of 0.92. Using the Capital Asset Pricing Model (CAPM) approach, Burris's cost of equity is The cost of equity using the bond yield plus risk premium approach The Lincoln Company is closely held and, therefore, cannot generate reliable inputs with which to use the CAPM method for estimating a company's cost of internal equity. Lincoln's bonds yield 10.28%, and the firm's analysts estimate that the firm's risk premium on its stock over its bonds is 4.95\%. Based on the bond-yleld-plus-risk-premlum approach, tincoln's cost of internal equity is: 16.75% 15.23% 19.04% 14.47% The cost of equity using the discounted cashflow (or dividend orowth) approach Grant Enterprises's stock is currently selling for $32.45 per share, and the firm expects its per-share dividend to be $2.35 in one year, Analysts project. the firm's growth rate to be constant at 5.72%. Using the cost of equity using the discounted cashflow (or dividend growth) approach, what is Grant's cost of internal equity? 12.96+6 17.50% 13.61% 12.31% Estimatino arowth rates