Figure 105 Shows the Demand, Marginal Revenue, and Cost Curves for for a Monopolistically

Figure 10.5 shows the demand, marginal revenue, and cost curves for a monopolistically competitive firm. The profit-maximizing (or loss-minimizing) output for the firm is _____.​ ​
Figure 10.5.

A) 0 units
B) 700 units​
C) 1,000 units​
D) more than 700 units and less than 1,000 units​
E) more than 1,000 units​