What is the before-tax cost of debt of a company with $1,500,000 of interest expense, $25 million of total debt, and 15% of a marginal tax rate? 5.55% 5.1% 4.25% 6.0% Question 2 What is the cost of equity of a company with 1.5 beta, assuming a 1.5% risk-free rate, 8% of the market rate of return, and 15% of a marginal tax rate? 11.25% 7.24% 7.35% 5 pts 6.97% Consider an enterprise with a capital structure consisting of 20% debt and 80% equity. If you use the costs of debt and equity of the company from Question 1 and 2, what would be the company's WACC? Assume a marginal tax rate is 15%. O 6.5% O10.20% O 10.02% O 6.9%