Instructions a. Compute the return on common stockholders' equity and the rate of interest paid on bonds. (Assume balances for debr and equity accounts approximate averages for the year.) b. Is Emporia Plastics, Inc, trading on the equity successfully? Explain. "E15.21 (LO 5) (Preferred Dividends) The outstanding capital stock of Edna Millay Corporation consists of 2,000 shares of $100 par value, 8% preferred, and 5,000 shares of $50 par value common. Instructions a. Compute the return on common stockholders' equity and the rate of interest paid on bonds. (Assume balances for debr and equity accounts approximate averages for the year.) b. Is Emporia Plastics, Inc, trading on the equity successfully? Explain. "E15.21 (LO 5) (Preferred Dividends) The outstanding capital stock of Edna Millay Corporation consists of 2,000 shares of $100 par value, 8% preferred, and 5,000 shares of $50 par value common