Quantity of Jackets Price (in whole dollars) Total Revenue Marginal Revenue Total Cost Marginal Cost Profit (or loss) 0 20 1 20
20 18 2 19 38 33 3 18 54 43 4 17 68 55 5 16 80 68 6 15 90 83 7 14 98 101 8 13 104 120 Based on this chart, what is the marginal cost, in dollars, to produce seven jackets?