The Following Figure Shows the Marginal Revenue Curve [MR],the Demand

Multiple Choice

The following figure shows the marginal revenue curve [MR],the demand curve,and the marginal cost curve [MC] for a monopolist with constant costs.
Figure 15-2
-Refer to Figure 15-2.Since there is a positive deadweight loss from monopoly,which of the following statements must be true?

A) The gain in producer surplus should not exceed $450.
B) The loss in total surplus should be lesser than or equal to $300.
C) The loss in consumer surplus should not exceed $600.
D) The gain in total surplus should exceed the loss in consumer surplus.