The Size of the Zone of Agreement Measures

Multiple Choice

The size of the zone of agreement measures:

A) the difference between the buyer's marginal benefit and the price.
B) the average of the trading parties' walk-away prices.
C) the difference between the seller's marginal cost and the price.
D) the difference between the buyer's and seller's walk-away values.
E) the excess of producer's surplus over consumer's surplus.