Intro Idaho Engineering Inc. has a target capital structure of 32% debt, 10% preferred stock and 58% common stock. The interest rate on new debt is 4.1% (before taxes), the yield on preferred stock is 8% and the cost of retained earnings is 9%. The firm will not be issuing any new stock, and the tax rate is 40%. Part 1 BAttempt 5/10 for 9.7 pts. What is the company's weighted average cost of capital? 3+ decimals Submit