Question $15($Mandatory$)(1$ point$)$

What is the duration of a $4-$year $10\%$ coupon bond, with a yield to maturity of $\frac{5}{\frac{?}{?}}\%?$

Payments are annual.

$2\mathrm{.}51$ years

$3\mathrm{.}01$ years

$3\mathrm{.}53$ years

$4\mathrm{.}02$ years