The Following Table Gives the Cost and Demand Data for a Monopolist

Multiple Choice

The following table gives the cost and demand data for a monopolist:

-Refer to the above information to answer this question.Suppose that the monopolist is regulated and forced to charge a socially optimum price.What will be the price and output?

A) $85 and 4.
B) $80 and 5.
C) $75 and 6.
D) $70 and 4.
E) $65 and 8.