Competitive Firm B. With "PA. " determine if this firm makes a ( "positive" ""negative" MC ATC "zero" ) profit in the short run by showing the profit arta geomerically PA 9 With "PA," the price will ( "increase "not change" ) in the long run. Select the correct one 10. In the long run, this firm eventually cumsa( "positive "negative" "zero" ) profit Selget the correct one