Question 1 5 pts What is the after-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? *You need to show your calculation in your exam worksheet! 5.1% O 6.0% 0 4.25% O 5.55% Question 2 5 pts What is the cost of equity of a company with 0.9 beta, assuming a 1.5% risk-free rate and 8% of the market rate of return? * You need to show your calculation in your exam worksheet! O 6.97% 0 6.15% 7.35% O 7.24% D Question 3 5 pts 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? * You need to show your calculation in your exam worksheet! O 7.4% O 7.1% O 6.5% O 6.9%