Aaron's Rentals has 58 000 ordinary shares outstanding at a market price of $36 a share. The shares have just paid a $2.64 annual dividend and have a dividend growth rate of 5.0%. There are 12 000 preference shares with a 6% preference, outstanding at a market price of $51 a share. The preference shares have a par value of $100. The 750 outstanding bonds mature in 17 years. They have a face value per bond of $1000 and a market price of $1011 each. The bonds pay 8% coupon interest, semi-annually. The tax rate is 30%. What is the firm's weighted average cost of capital assuming a classical tax rate