Question 20 i4 noint? Gurnat Whatrics cepects that its target capiqi structure for raising funds in the furure ive its canibar budget will consist of 40 s debt, 5% preferred stock, and 55% conmon equitr. Note that the firmi) marginal tax rate is 21\%. Assume that the firm's coet of drit / is ios, the firmy cost of preferred stock, rp; is 9% and the firm's cost Wucc. at it uses retaincd earnings (old equity) as its source of common equity