You invest $$15,000$ on December $2,2020$ at a simple interest rate of $r=6\%.$ Interest is to be calculated using ordinary interest $($banker$\text{'}$s rule$).$ What is the

accumulated value of your investment on June $12,2021?$

Multiple Choice

$$15,407\mathrm{.}50$

$$15,473\mathrm{.}42$

$$15,477\mathrm{.}53$

$$15,480\mathrm{.}00$