D Question 5 1 pts Suppose a monopolistically competitive firm in the short run is selling 100 units of output at $10 each. At that level of output, MR = MC and marginal cost is rising. Also, ATC = $15, AVC = $12 and AFC = $3. This firm should O continue to produce 100 units of output since MR = MC. increase output to the point where price equals marginal cost. O decrease output to the point where marginal cost equals average total cost. O shut down and produce O units of output