If We Graph Mary Granola's Indifference Curves with Avocados on the Horizontal

Multiple Choice

If we graph Mary Granola's indifference curves with avocados on the horizontal axis and grapefruits on the vertical axis, then whenever she has more grapefruits than avocados, the slope of her indifference curve is 22.Whenever she has more avocados than grapefruits, the slope is 21/2.Mary would be indifferent between a bundle with 22 avocados and 37 grapefruits and another bundle that has 37 avocados and

A) 27 grapefruits.
B) 32 grapefruits.
C) 17 grapefruits.
D) 22 grapefruits.
E) 24.5 grapefruits.