An large auto repair shop has been purchasing windshields for their cars at the rate of $250$ windshields per order. The firm estimates the per year, and that ordering cost is about $$298$ per order. The current price of each windshield is $$200.$ The assumptions of the basie EC demand $(D)$ is their current action optimal?

$\backslash$table$[[$units per order,$250$ units$],[$holding cost$,$$$24$ per unit per year$],[$order cost$,$$$298$ per order$],[$product cost$,$$$290$ per unit$]]$