(Figure: Profit Margin 3) JoJo's company data is in the graph below. JoJo would eam a positive profit: Price or cost Margini $12 $11 $10 cost SB $7 56 55 Average total cost Average variable cost Demand $4 $3 $2 51 50 5-1 $-2 3-3 5.4 55 7 8 9 10 11 12 14 15 16 17 18 19 20 21 Quantity Marginal revenue at any output greater than 2 but less than 15. at any output from eight to 16. at all output levels. any output less than 9 only at an output of nine