Idaho Engineering Inc. has a target capital structure of 27% debt, 10% preferred stock and 63% common stock. The interest rate on new debt is 5.1%, the yield on preferred stock is 8% and the cost of retained earnings is 14%. The firm will not be issuing any new stock, and the tax rate is 33%. IB Attempt 1/8 for 10 pts. Part 1 What is the company's pre-tax weighted average cost of capital? 3+ decimals Submit IB Attempt 1/8 for 10 pts. Part 2 What is the company's after-tax weighted average cost of capital? 3+ decimals Submit