how to calculate?

Marginal Revenue / Maginal Cost / Marginal profit

Please tell me how to calcuate.

Q P REV Marginal TOTAL Marginal Marginal Revenue COST Cost Profit Unit $ 12.5 0 D.O 26.1 12 12 12.0 27.8 1.8 10.2 11.5 23 11.0 29.2 1.3 9.7 11 33 10.0 30.2 1.0 9.0 10.5 42 9.0 DOO VOUAWNHO 30.9 0.7 8.3 10 50 8.0 31.5 0.5 7.5 9.5 57 7.0 31.8 0.4 6.6 9 63 6.0 32.2 0.3 5.7 8.5 68 5.0 32.5 0.3 4.7 9 8 72 32.9 10 7.5 75 33.4 11 7 77 34.1 12 6.5 18 35.1 13 6 78 36.5 14 5.5 77 38.2 15 5 75 40.5 16 4.5 72 43.3 17 4 68 46.7 18 3.5 63 50.7 19 3 57 55.6 20 2.5 50 61.2 21 2 42 67.8 22 1.5 33 75.3 23 1 23 83.8 24 0.5 12 93.4 25 0 104.2