You own a $4\mathrm{.}5$ year duration bond at a price of $$102$ and a coupon of $7\mathrm{.}1\%.$ If yields on this bond decline by $0\mathrm{.}20\%,$ what is the expected capital gain$/$loss $\%$ return? and a duration of $4\mathrm{.}9$ years

$0\mathrm{.}90\%$

$-0\mathrm{.}90\%$

$0\mathrm{.}71\%$

$-0\mathrm{.}71\%$

$0\mathrm{.}98\%$

$-0\mathrm{.}98\%$