B. The price of the 6% 20 year bonds of WP is $1100. It has issued 500 bonds to investors, and 10,000 common shares. We know that the 10 year bond rate is .03, the return in the market has been 11 %, and the fluctuation in the price of WP is 20% less than the stock market. If the growth rate of the profit and the dividends of WP is 4%, while the tax rate is 30%and WP pays $5 dividends per share. Derive the COC of WP.