Could someone do both questions, and show the process

1. The McDaniel Co.'s financing plans for next year include the sale of long-term bonds with a 12% coupon. If the firm's tax rate is 34%, what is McDaniel's after-tax cost of debt? r d = 7.92% Hybrid Hydro Plants, Inc., which has a tax rate equal to 34 percent, has preferred stock - currently selling for $125 that pays a constant dividend of $15 per share. If flotation costs are 3% for issuing preferred stock, what is the cost of issuing preferred stock? 12.37% What is the expected return for preferred stockholders? 12%