A company has target capital structure of 60% equity and 40% debt. The weighted-average Yield-to-Maturity of outstanding bonds is 6.8% and the company's tax rate is 28%. If the company's common stock beta is 1.2 and the risk-free rate and expected return on the market are 1.7% and 7.7%, respectively, what is your estimate of the company's weighted average cost of capital