Required information [The following information applies to the questions displayed below] The following data are available for product no. CK74, manufactured and sold by Ruby Corporation: Maximum capacity with present facilities Total fixed cost per period) Variable cost per unit Sales price per unit 5,500 units $ 496,650 $ 146.00 $ 189.00 The contribution margin per unit for product no. CK74 is: Multiple Choice $38.00 $168.00 $43.00 $29.00 The number of units of CK74 that Ruby must sell to break-even is: Multiple Choice 1620 2.628 11.550 o 3,402