Zildjian corporation manufactures a single product with the following unit costs for 1,250 units: direct materials $2,300 direct labor 960 factory overhead (30% variable) 1,800 selling expenses (50% variable) 900 administrative expenses (10% variable) 840 total per unit $6,800 recently, a company approached zildjian corporation about buying 100 units for $5,100 each. currently, the models are sold to dealers for $7,900. zildjian corporation's capacity is sufficient to produce the extra 100 units. no additional selling expenses would be incurred on the special order. what is the profit earned by zildjian corporation on the original 1,250 units?