A Perfectly Competitive Firm Produces 50 Units of Output at Equilibrium

A perfectly competitive firm produces 50 units of output at equilibrium in the short run.The total cost borne by the firm is $300 and the average revenue is $2.Therefore:

A) is just breaking even.
B) is earning positive profits.
C) is facing a positively sloped demand curve.
D) is suffering losses.
E) is experiencing diseconomies of scale.