If an investment of $$6,800$ accumulates to $$9,248$ in $6$ years, the annual simple interest rate $($rounded to three decimal places$)$ is:

$60\mathrm{.}000\%$

$0\mathrm{.}600\%$

$0\mathrm{.}060\%$

$5\mathrm{.}258\%$

$6\mathrm{.}000\%$

$22\mathrm{.}667\%$