Seafood Salt Company wishes to third degree price discriminate between retail grocers (group A) and commercial users such as bakeries (Group B). The firm’s total cost schedule is TC = $10*QA + $25*QH. Demands for retail grocers and commercial users are, respectively, QA = 4,000*PA-1.5 and QB = 100,000*PB-2. The profit-maximizing prices to charge Groups A and B are _____.? A.$20, $30. B.$30, $50. C.$40, $50. D.$60, $80. E.None of the above.