Governmental pricing regulation of a monopoly should strive to accomplish which of the following?

a)

Setting a legal price ceiling equal to the monopoly's lowest average variable cost.

b)

Setting a legal price ceiling equal to the monopoly's lowest average total cost.

c)

Setting a legal price ceiling below the monopoly's lowest average total cost.

d)

Setting a legal price ceiling below the monopoly's lowest average variable cost.

e)

Setting a legal price ceiling above the monopoly's lowest average total cost.