Apparently, I'm not doing these right. Can you please tell me what the ones wrong as well as the top 2 on Case #3 should be?

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 Sales Variable expenses Fixed expenses Net operating income (loss) Contribution margin ratio (percent) 42,000S 159,120X 236,760X 207,000 124,200 58,000 293,000 79,110 230.000 (16,110) 472,000 46,120 S 24,800 $ 60%X 70,850 S 36% 77% 27%X