$6)$ If Pony Express orders $30,000$ units, then how many wigs can they expect to sell at the regular price?

Expected Sales Qty $=$ Expected Demand $$ Expected Lost Sales. The expected demand is given as $25,000,$

and the expected lost sales can be picked from the table based on your Q from question $(5).$

$7)$ If Pony Express orders $30,000$ units, then how many wigs can they expect to have to liquidate with

discounters? $($Expected leftover $=$ Order quantity $$ Expected Sales Qty$)$

$8)$ If Pony Express orders $30,000$ units, then what is its expected profit?