Suppose you purchased $20$ securities for $$26\mathrm{.}17$ per security and sold them for $$29\mathrm{.}46$ per security. Assume that the securities did not make any income payments. What is your effective annual return $($EAR$)$ if the securities are sold after one month?

$[$Enter the answer in as a percent $($e$.$g$.5\mathrm{.}55\%=5\mathrm{.}55)-$ not a decimal$]$