Assume that more than one product is being sold in each of the four following case situations: Case #1 Case #2 Case #3 Case #4 48,000193,000 133,170 59,000 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent $302,000 102,680 467,000 $85,600 $71,200 $(26,680) 45 % 78 %