A bond, paying semi$-$annual coupons of $$60,$ is purchased at a discount to yield $j_2=13\%.$ The book value adjustment in the $6^{th}$ coupon period is$-$ $$10\mathrm{.}80.$

What is the interest on the book value for the ${11}^{th}$ coupon, $111?$

Multiple Choice

$$45\mathrm{.}20$

$$52\mathrm{.}12$

$$67\mathrm{.}88$

$$74\mathrm{.}80$