a. Compute the cost of debt, Kd. Note: Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places. b. Compute the cost of preferred stock, Kp. Note: Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places. c. Compute the cost of common equity in the form of retained earnings, Ke. Note: Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places. d. Calculate the weighted cost of each source of capital and the weighted average cost of capital. Note: Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places