$11.$ Refer to the following information:

Company Ke Kd D$/$E Mkt Cap

ABC $26\mathrm{.}35\%5\mathrm{.}65\%3\mathrm{.}4$ $$4\mathrm{.}87$ billion

DEF $21\mathrm{.}85\%5\mathrm{.}75\%1\mathrm{.}15$ $$2\mathrm{.}92$ billion

GHI $19\mathrm{.}66\%4\mathrm{.}36\%0\mathrm{.}65$ $$754$ million

JKI $18\mathrm{.}3\%5\mathrm{.}25\%2\mathrm{.}8$ $$15\mathrm{.}67$ billion

If the risk$-$free rate is $2\mathrm{.}5\%,$ and the market risk premium is $7\mathrm{.}8\%,$ which firm does the market consider the riskiest?