On January $1,2022,$ Spin Master Toys issued $$190,000$ of $5-$year, $13\%$ unsecured debentures at a net price of $$165,684\mathrm{.}97.$ Interest is payable annually, on the anniversary date of the bonds.a$)$ Determine the effective interest rate or effective yield on the bonds. Please make sure your final answer$($s$)$ are in percentage form and are accurate to $2$ decimal places. $($For example: $12\mathrm{.}34\%)$