-The Above Figure Shows Sam's Budget Line and One of His

-The above figure shows Sam's budget line and one of his indifference curves. What combination of coffee and gasoline will Sam select?

A) combination a because that contains all the gasoline he needs and still has some coffee
B) combination c because that contains all the coffee he needs and some gasoline
C) combination b because it is on his budget line and on the highest attainable indifference curve
D) none of the above