Granite works maintains a debt-equity ratio of .65 and has a tax rate of 21 percent. the pretax cost of debt is 9.8 percent. there are 25,000 shares of stock outstanding with a beta of 1.2 and a market price of $25 a share. the current market risk premium is 8.5 percent and the current risk-free rate is 3.6 percent. this year, the firm paid an annual dividend of $1.90 a share and expects to increase that amount by 3 percent each year. using an average expected cost of equity, what is the weighted average cost of capital?