General Mattress (GM) Company sells mattresses at a regular price of $800. The total cost per unit is $700, which consists of $200 direct labor per unit, $250 direct materials per unit, $50 fixed overhead per unit, and $200 variable overhead per unit. A hotel chain offered to buy 1,000 mattresses from GM at a discounted price of $650. This is a one-time special order (i.e., a short-term decision), and GM has enough spare capacity to accommodate this order. If GM accepts the special order, GM's operating income will: O A. Remain the same OB. increase by $50,000 OC. Decrease by $50,000 OD. Decrease by $150,000