Question 6 5 pts Assume a company has a $1.8 million senior secured loan with a 3.5% interest rate and a $550,000 senior unsecured loan with a 6% rate. If the company's marginal tax rate is 15%, what is the before- tax cost of debt? * You need to show your calculation in your exam worksheet! O 3.25% O 3.91% 04.09% O 3.47% Question 7 5 pts Assume that the current dividend and its growth rate of the company is $1.55 and 3.5%, respectively. If the current stock price of the company is $15, what is the cost of equity for the company? * You need to show your calculation in your exam worksheet! O 15.1% O 13.83% O 14.2% O 12.93% Question 8 5 pts Consider an enterprise with a capital structure consisting of 70% debt and 30% equity. If you use the costs of debt and equity of the company from Question 6 and 7, what would be the company's WACC? * You need to show your calculation in your exam worksheet! O 7.12% O 6.69% O 6.27% O 8.09%