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The marginal revenue of the 10th unit produced Is s Calculate the total revenue If the firm produces 20 versus 19 units. Then, calculate the marginal revenue of the 20th unit produced. The marginal revenue of the 20th unit produced Is $ Based on your answers from the previous question, and assuming that the marginal revenue curve is a straight line, use the black line (plus symbol) to plot the firm's marginal revenue curve on the following graph. 250 225 Marginal Revenue MARGINAL REVENUE (Dollars) 250 10 15 20 25 30 35 40 45 50 QUANTITY (Units) Comparing your total revenue graph to your marginal revenue graph, you can see that when total revenue is increasing, marginal revenue is