Glamor boutique uses the newsvendor model to manage its inventory. Demand for its product is normally distributed with a mean of $600$ and a standard deviation of $300.$ Glamor boutique purchases the product for $$20$ each unit and sells each for $$40.$ Inventory is salvaged for $$10.$ What is its expected inventory if Glamor boutique's order quantity is $300$ units? Use table $13\mathrm{.}4.$ CA$.25$ OB$.40$ O C$\mathrm{.}35$ OD$\mathrm{.}30$