A. C Tech Manufacturing Appliances manufactures three sizes of kitchen appliances: small, medium, and large. Product information is provided below Small Medium Large Unit selling price $430 $550 $1,230 Unit costs (700) (240) (130) (200) Variable manufacturing Fixed manufacturing Fixed selling and administrative (320) (140) 25) (50) (90) Unit profit $90 $65 $160 Demand in units 170 130 170 Machine-hours per unit 70 40 170 The maximum machine-hours available are 6,200 per week. How much is the maximum amount of total contribution margin possible to the firm in the short run? O A. 52,000 O C. 182,000 D.31,720