WT bonds provide a real rate of return of $6\mathrm{.}3\%.$ If the current rate of inflation is $4\mathrm{.}2\%,$ what is the actual nominal rate of return on these bonds?

$9\mathrm{.}5\%$

$9\mathrm{.}98\%$

$10\mathrm{.}76\%$

$11\mathrm{.}50\%$