Great Lakes Packing has two bond issues outstanding. The first issue has a coupon rate of $8$ percent, matures in $6$ years, has a total face value of $$5$ million, and is quoted at $101\mathrm{.}2$ percent of face value. The second issue has a $7\mathrm{.}5$ percent coupon, matures in $13$ years, has a total face value of $$18$ million, and is quoted at $99$ percent of face value. Both bonds pay interest semiannually. What is the firm's weighted average aftertax cost of debt if the tax rate is $34$ percent?

a$.$

$5\mathrm{.}12$ percent

b$.$

$5\mathrm{.}95$ percent

c$.$

$5\mathrm{.}63$ percent

d$.$

$5\mathrm{.}05$ percent

e$.$

$6\mathrm{.}08$ percent