Suppose Kim Is Willing to Pay $5 for Her First

Suppose Kim is willing to pay $5 for her first ice cream sundae, $4 for a second ice cream sundae, and $2 for a third ice cream sundae. If Kim is able to buy all three ice cream sundaes for $2 each, she has realized a consumer surplus of

A) $6.
B) $5.
C) $4.
D) $2.
E) $0.