Use the Table Below to Answer the Following Questions

Multiple Choice

Use the table below to answer the following questions.
Table 15.3.1
-Refer to Table 15.3.1.The table shows marginal private benefit and the marginal social benefit from flu vaccinations and the marginal social cost of vaccination production.If production is left to the private market,the market price is

A) $70 a unit.
B) $60 a unit.
C) $50 a unit.
D) $40 a unit.
E) $30 a unit.