Which of the Following Is an Example of Consumer Surplus

Multiple Choice

Which of the following is an example of consumer surplus?

A) Sue would have paid $15 for a new compact disc but paid only $10.
B) Jose buys a hamburger for $2 and tells you he would not have paid a penny more.
C) Mary buys a pad of paper for $2 and finds the same good at another store for $1.50.
D) John believes the price he paid for his computer was too high.
E) Anne finds a mountain bike for which she is willing to pay a maximum of $550 and the price of the bike is $600.