Masco Oil and Gas Company is a very large company with common stock listed on the Toronto Stock Exchange and bonds traded over the counter. As of the current balance sheet, it has three bond issues outstanding:

$150 mill ion of 10% series …………….. 2027

$ 50 mill ion of 7% series ……………….. 2021

$ 75 mill ion of 5% series ………………. 2019

The vice-president of finance is planning to sell $75 million of bonds next year to replace the debt due to expire. Present market yields on similar BB-rated bonds are 12.1 percent. Masco also has $90 million of 7.5 percent, non-callable preferred stock outstanding, and it has no intentions of selling any more preferred stock in the future. The preferred stock is currently priced at $80.00 per share, and its dividend per share is $7 .80.

The company has had very volatile earnings, but its dividends per share have had a very stable growth rate of 8 percent, and this will continue. The expected dividend (01) is $1.90 per share, and the common stock is selling for $40.00 per share. The company's investment dealer has quoted the following flotation costs to Masco: $2.50 per share for preferred stock and $2.20 per share for common stock.

On the advice of its investment dealer, Masco has kept its debt at 50 percent of assets and its equity at 50 percent. Masco sees no need to sell either common or preferred stock in the foreseeable future as it generates enough internal funds for its investment needs when these funds are combined with debt financing. Masco's corporate tax rate is 40 percent.

Compute the cost of capital for the following:

a. Bond (debt) (K_d)

b. Preferred stock (K_P)

c. Common equity in the form of retained earnings (K_e)

d. New common stock (K_n)

e. Weighted average cost of capital