Assignment Score: 58.7% Resources Give Up? Hint Check Answer Irwin is a monopoly seller of specialty bearings. Consider the accompanying graph, which illustrates the demand and marginal revenue curves for Irwin's 30-weight ball bearings, along with the marginal and average total costs of producing bearings. a. Place the rectangle labeled TR on the graph to shade the area representing the total revenue Irwin receives at the profit- maximizing output. b. Place the rectangle labeled TC on the graph to shade the area representing the total cost of producing ball bearings at the profit-maximizing output. 200 MC 180 TR TC 160 140 ATC 120 Price ($) 100 80 60 40 20 MR D 0 0 25 50 75 100 125 150 175 200 225 250 275 300 Quantity of bearings ENG 04:2 wm P L 55OF IN 17/11/2021