In the diagram to the right, when the price is $45 per player, the amount of the is per month. 100- million players 90 90 Price (dollars per unit) S 80- 70- 60- A 50 50 45 B C 40- 30- D 20 10- 01 0 10 43:50:57 20 30 40 50 60 70 80 90 Quantity (millions of units per month)