please help 36&37

Thet I rank Durger has a cost of equify of 10%, the YTM on the company's bonds is 6%, and the tax rate is 24 percemt. If the cornpary's debt-equity ratio 63. what is the weighted awerage cost of capitar? 6.7% 58% QUESTION 37 You decide to invest in a portfolio consisting of 30% Stock A,20% Stock B, and the remaindor in Stock C. Based on the following information, what is th oxpected returns on your portifilio? 5.38% 4.18% 7.32%