Crane Corporation produces three products, Standard, Deluxe and Superior, with the following characteristics: Standard Deluxe Superior Selling price per unit $21 $23 $22 . Variable cost per unit 13 16 18 Contribution margin $ 8 $ 7 $ 4 per unit Machine hours per unit 2 2 2 The company has only 1820 machine hours available each period. If demand exceeds the company's capacity, in what sequence should orders for the three products be filled to maximize the company's total contribution margin? 0 dard first, Superior second, De third Standard first, Deluxe second, Superior third O Deluxe first, Standard second, Superior third Superior first, Standard second, Deluxe third