Answer the question on the basis of the following cost data for a firm that is selling in a purely competitive market. Average Average Average Total Fixed Variable Total Marginal Output Cost $150.00 $25.00 Cost Cost Cost $175.00 $25.00 2 75.00 23.00 98.00 21.00 3 50.00 20.00 70.00 14.00 4 37.50 21.00 58.50 24.00 5 30.00 23.00 53.00 31.00 6 25.00 25.00 50.00 35.00 7 21.43 28.00 49.43 46.01 8 18.75 33.00 51.76 68.07 9 16.67 39.00 55.67 86.95 10 15.00 48.00 63.00 128.97