The accompanying graph shows an indifference curve for Robert, who receives utility from the consumption apples and oranges. At which consumption bundle is Robert willing to give up the largest quantity of apples in exchange for one orange?

Which answer is correct?

A

B

C

D

quantity of oranges 30 25 20 15 - D 10 C 5 B A 2 4 6 8 10 12 14 quantity of apples