Noah has $27,000 invested in his favorite mutual fund which earns 15.0% per year. If he adds $500 per month to the fund, how much will the fund be worth 15 years from today? \begin{tabular}{l} \hline$1,632.35 \\ \hline$252,621.03 \\ \hline$586,874.41 \\ \hline 334,253.38 \end{tabular}