rice of Good X (Px) Quantity of Good X (Qx) Own Price Elasticity Total Revenue 0 100 0.00 0 5 90 0.11 450 A 80 0.25 800 15 70 0.43 1050 20 60 0.67 1200 25 50 C 1250 30 B 1.50 1200 35 30 2.33 1050 40 20 4.00 D 45 10 9.00 450 50 0 0 The demand function in the accompanying table is QXd = 100 2PX. Based on this information, when PX = $30, quantity demand, QXd (point B), is Multiple Choice 100. 80. 60. 40