Bright stone Tire and Rubber Company has capacity to produce 170,000 tires. Brightstone presently produces and sells 130,000 tires for the North American market at a price of $175 per tire. Brightstone is evaluating a special order from a European automobile company, Euro Motors. Euro is offering to buy 20,000 tires for $116 per tire. Brightstone's accounting system indicates that the total cost per tire is as follows: S56 Direct materials 22 Direct labor 25 Factory overhead (60% variable) Selling and administrative expenses (45% variable) 26 $129 Total