When a regulatory agency requires a monopolist to use average cost pricing, the intent is to produce the quantity where the: （）

A. marginal revenue curve intersects the marginal cost curve.

B. marginal revenue curve intersects the demand curve.

C. the market demand curve intersects the average total cost curve.

As early as in 1647 Ohio made a decision that flee, tax-supported schools must be established in every town to have 50 households or more.

A．has

B．having
C．having had
D．had