Suppose you can buy $983$ shares of Vertex Pharmaceuticals Incorporated $($VRTX$)$ stock on margin at $$167$ per share. Your initial margin is $51\%$ and you borrow at the $7$ percent. You sell your VRTX shares $6$ months later for $$185$ per share. There were no dividends paid and the prices reflect commissions paid. What is your percent return if you buy on margin?

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