A $1-$year certificate of deposit $($CD$)$ at your local bank earns $4\mathrm{.}7\%$ interest annually. At the end of each year, you will reinvest the money in a new CD $($with the same interest rate$).$ Starting today $($year $0),$ you invest $$335$ in a CD$.$ How much will you have after $3$ years? After $n$ years?