Intro Idaho Engineering Inc. has a target capital structure of 22% debt, 10% preferred stock and 68% common stock. The interest rate on new debt is 5.7%, the yield on preferred stock is 8% and the cost of retained earings is 10%. The firm will not be issuing any new stock, and the tax rate is 31%. Part 1 - Attempt 3/3 for 8 pts What is the company's pre-tax weighted average cost of capital? 3+ decimals Submit Part 2 Attempt 2/3 for 9 pts What is the company's after-tax weighted average cost of capital? 3 decimals