【简答题】5 Complete the text. The
house was in a terrible condition. The rain had come into all the bedrooms
because the roof was ► leaking , and there were (1) s____ on the walls
and carpets. A builder (2...
【单选题】In an competitive market, which of the following conditions most accurately describes the condition that exists when the efficient quantity of a good or service is produced and consumed
A.
Producer surplus is maximized.
B.
Consumer surplus equals producer surplus.
C.
The sum of consumer surplus and producer surplus is maximized.