You deposit $$200,000$ on April $29$ in a fund earning simple interest at r $=7\%.$Using the banker's rule $($ordinary interest$),$ how much do you have on September $29?$ a$$205,950\mathrm{.}00$ b$$205,950\mathrm{.}00$ c$$205,910\mathrm{.}80$ d$$205,950\mathrm{.}00$