point$($S$)$ possible

Submit test

General Mattress $($GM$)$ Company makes mattresses. The regular price per mattress is $$800.$ At current production volume, the unit cost $($total cost per unit$)$ is $$700$ per unit $($including fixed cost $$100$ per unit and variable cost $$600$ per unit$).$ A national hotel chain has offered to buy $1,000$ mattresses from GM at a discounted price of $$650.$ It is a one$-$time special order $($i$.$e$.,$ a short$-$term decision$),$ and GM has enough spare capacity to accommodate this order without cutting back on its regular sales. If GM accepts this special order, GM$\text{'}$s profit will