A delicatessen buys a special type of bread from a local bakery. Demand for the item varies uniformly from between $80$ and $100$ per day. The item costs $$1\mathrm{.}20$ and they charge $$2\mathrm{.}00$ per item. What is the optimal stocking level of bread?

Multiple Choice

$88$

$90$

$100$

$80$