Janelle just purchased Texas Instruments bonds maturing in $6$ years at par that were priced at a yield to maturity of $6\mathrm{.}00\%.$ The yield to maturity on the Texas Instruments bonds just moved to $5\mathrm{.}00\%.$ To the nearest $0\mathrm{.}10\%,$ compute Janelle's capital gains yield on this bond.

$-5\mathrm{.}10\%$

$-2\mathrm{.}50\%$

$2\mathrm{.}50\%$

$5\mathrm{.}10\%$