uantity Price Total Revenue Marginal Revenue Total Cost Marginal Cost Total Profit Marginal Profit 0 145 0 --- 10 --- -10 --- 1 135 135 135 40 30 95 105 2 130 260 125 80 40 180 85 3 125 375 115 130 50 245 65 4 120 480 105 190 60 290 45 5 115 575 95 260 70 315 25 6 110 660 85 340 80 320 5 7 105 735 75 430 90 305 -15 8 100 800 65 530 100 270 -35 What quantity should the firm produce to maximize profit? What is the marginal revenue at the optimal quantity? What is the marginal cost at the optimal quantity? What is the maximum profit? What price should the firm charge to maximize profit