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 companys WACC?

Q6 was: 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 companys marginal tax rate is 15%, what is the before-tax cost of debt?

the answer I got was 4.09%

Q7 was: 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?

the answer I got was 14.2%

The answer choices for Q8 are:

6.69%

7.12%

8.09%

6.27%