Demand and Marginal revenue Curves for a monopoly Price $1 10 8 65432101234 Demand Marginal (average revenue) revenue 12345 78 Quantity of waQuantity of Water Price $11 10 9 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 1 2 3 4 5 6 7 8 Marginal revenue Demand (average revenue) Demand and Marginal Revenue Curves for a Monopoly