Sky High Seats manufactures seats for airplanes. The company has the capacity to produce 100,000 seats per year, but currently produces and sells 75,000 seats per year. The following information relates to the current production of the product:

Sale price per unit $400

Variable costs per unit:

Manufacturing $240

Marketing and administrative $70

Total fixed costs: Manufacturing $760,000

Marketing and administrative $230,000

If a special sales order is accepted for 7400 seats at a price of $350 per unit, and fixed costs remain unchanged, how would operating income be affected? (NOTE: Assume regular sales are not affected by the special order.)

a. Increase by $4,000,000

b. Increase by $2,590,000

c. Decrease by $296,000

d. Increase by $296,000