graph shown. Suppose the market price is $3. At this price, a perfectly competitive firm should: A line graph plots price, costs versus output for three curves.A line graph plots price, costs in dollars, which range from 0 to 5 dollars with an increment of 1 dollar, against output for two descending curves, A V C and A T C, which intersect an ascending line labeled M C. Multiple Choice continue to produce in the short run but shut down in the long run. continue to produce in both the short run and the long run. shut down in the short run but continue production in the long run. shut down immediately