QUESTION $21$Delta Lighting has $55,420$ shares of common stock outstanding at a market price of $$18\mathrm{.}25$ a share. This stock was originally issued at $$31$ per share. The firm also has a bond issue outstanding with a total face value of $$364,000$ which is selling for $90$ percent of par. The cost of equity is $15\mathrm{.}7$ percent while the aftertax cost of debt is $5\mathrm{.}78$ percent. The firm has a beta of $1\mathrm{.}48$ and a tax rate of $30$ percent. What is the weighted average cost of capital? $10\mathrm{.}07$ percent $10\mathrm{.}87$ percent $12\mathrm{.}36$ percent $13\mathrm{.}27$ percent