The Diagram Below Shows a Pharmaceutical Firm's Demand Curve and Marginal

The diagram below shows a pharmaceutical firm's demand curve and marginal cost curve for a new heart medication for which the firm holds a 20- year patent on its production. FIGURE 10- 5
-Refer to Figure 10- 5. Assume this pharmaceutical firm charges a single price for its drug. At its profit- maximizing level of output, it will generate a deadweight loss to society represented by

A) areas H+I+J+K.
B) areas I+J+K.
C) areas H+I.
D) - there is no deadweight loss generated.
E) - it is not possible to determine with the information provided.