Supervisor: $"$So far this month you have achieved $$100\mathrm{.}00$ in sales, which is $50\%$ of your total monthly goal. With only $5$ more workdays this month, how much do you need to sell each day to reach your goal $?"$ $$10\mathrm{.}00$ $ $20\mathrm{.}00$ $$25\mathrm{.}00$ $ $50\mathrm{.}00$ $$52\mathrm{.}00$