The store does $$100\mathrm{.}0$ for the month of September. What are the average weekly sales for this month? Question $8$ options: A$)$ $$25\mathrm{.}0$ B$)$ $$22\mathrm{.}0$ C$)$ $$20\mathrm{.}0$ D$)$ $$15\mathrm{.}0$