Barbie's Boutique is interested in going to the market to raise additional capital. A year ago, Barbie issued $10,000,000 par value, of five-year bonds, that have a coupon rate of 8%, paid semi-annually. They are currently priced at $97.00. Barbie's Boutique currently has 750,000 outstanding common shares that are priced today at $20 per share. Last year they paid an annual dividend of $1.73. The risk-free rate is 4% and the expected return of the market is 11%. Barbie's Boutique beta is 1.70 and the marginal tax rate is 27%. 

Required:

What is Barbie's Boutique Weighted Average Cost of Capital? (WACC)