Markson Company had the following results of operations for the past year: $ 168,000 Sales (8,000 units at $21.00) Variable manufacturing costs Fixed manufacturing costs Variable administrative expenses Fixed selling and administrative expenses Operating income $90,000 16,000 16,000 21,000 (143,000) $ 25,000 A foreign company offers to buy 2,000 units at $15.50 per unit. In addition to variable manufacturing and administrative costs, selling these units would increase fixed overhead by $1,700 for the purchase of special tools. Markson's annual productive capacity is 12,000 units. If Markson accepts this additional business, its profits will: Decrease by $4,750. Increase by $2,800. Increase by $4,500. Decrease by $1,700. Decrease by $6,200