On the following graph, use the green point (triangle symbol) to plot the weekly total revenue when the market price is $30, $45, $60, $75, $90, $105, and $120 per scooter. 1460 A 1320 Total Revenue 1180 1040 TOTAL REVENUE (Dollars) 780 620 480 340 200 0 15 30 45 60 75 90 105 120 135 150 165 180 195 PRICE (Dollars per scooter) According to the midpoint method, the price elasticity of demand between points A and B is approximately Suppose the price of scooters is currently $45 per scooter, shown as point B on the initial graph. Because the demand between points A and B is a $15-per-scooter increase in price will lead to in total revenue per week. In general, in order for a price increase to cause a decrease in total revenue, demand must be