[tex]\bf ~~~~~~ \textit{Simple Interest Earned}\\\\I = Prt\qquad\begin{cases}I=\textit{interest earned}\\P=\textit{original amount deposited}\dotfill & \$3500\\r=rate\to 0.2\%\to \frac{0.2}{100}\dotfill &0.002\\t=years\dotfill &1\end{cases}\\\\\\I=(3500)(0.002)(1)\implies I=7[/tex]