Table F Ken Towery tires, a monopolist, has the following cost and revenue information. Assume that Ken Towery is able to engage in perfect price discrimination. Columns in order left to right: Quantity produced, Total cost, Marginal cost, Quantity Demanded, Price, Total Revenue, Marginal Revenue Quantity Produced (Q) Total Cost (TC) Marginal Cost (MC) Quantity Demanded (Qd) Price (P) Total Revenue (TR) Marginal Revenue (MR) 0 100 - 0 170 1 140 1 160 2 184 2 150 3 230 3 140 4 280 4 130 5 335 5 120 6 395 6 110 7 475 7 100 8 575 8 95 Columns in order: Quantity produced, Total cost, Marginal cost, Quantity Demanded, Price, Total Revenue, Marginal Revenue Refer to Table F. If Ken Towery can engage in perfect price discrimination, what is the total revenue when 4 units are sold? $420 $580 $450 $140