The Following Figure Shows Equilibrium at the Industry and Firm

The following figure shows equilibrium at the industry and firm level. Figure 23.6 In the figure,
S₁, S₂, S₃ are the market supply curves.
D₁ and D₂ are the market demand curves.
MC is the marginal cost curve of the firm.
MR₁ and MR₂ are the marginal revenue curves of the firm.
ATC is the average-total-cost curve of the firm.
According to Figure 23.6, if the market price was $1.50, the individual firm would:

A) be earning a negative economic profit of about $5.
B) be earning a positive economic profit of about $5.
C) be earning a positive economic profit of about $0.87.
D) be earning a negative economic profit of about $4.50.
E) be earning a positive economic profit of about $0.50.