Assume that XYZ Corporation is a leveraged company with the following information: K-cost of equity capital for XYZ - 13% i-before-tax borrowing cost-8% t-marginal corporate income tax rate - 30 % Calculate the debt-to-total-market-value ratio that would result in XYZ having a weighted average cost of capital of 9.3 percent. 80 percent 55 percent 60 percent 50 percent