cost is $$27$ per year, and that ordering cost is about $$291$ per order. The current price of each windshield is $$200.$ The assumptions of the basic too moseles apply. For what annual demand $($D$)$ is their current action optimal?

$\backslash$table$[[$Units per order,$250$ units$],[$holding cost$,$$$27$ per unit per year$],[$order cost$,$$$291$ per order$],[$product cost$,$$$200$ per unit$]]$