Where are the Quantity, Total Revenues and Marginal Costs of a firm:
Q Total Revenues Marginal Costs 100 1200 60 101 1400 70 102 1590 80 103 1770 90 104 1940 100 105 2100 110 106 2250 120 107 2390 130 108 2520 140 109 2640 150 110 2750 160.
What are the marginal revenues of the 105th unit?
At what level of quantity are profits maximized?