Scenario 12-2 Suppose Regina and Ben Receive Great Satisfaction from Their Consumption

Scenario 12-2
Suppose Regina and Ben receive great satisfaction from their consumption of cheesecake. Regina would be willing to purchase only one slice and would pay up to $13 for it. Ben would be willing to pay $17 for his first slice, $14 for his second slice, and $10 for his third slice. The current market price is $10 per slice.
-Refer to Scenario 12-2. How much consumer surplus does Regina receive from consuming her slice of cheesecake?

A) $3
B) $7
C) $4
D) $0