(Table: The Utility of Macaroni and Cheese) Use Table: The Utility of Macaroni and Cheese.Carmen loves eating macaroni and cheese on Thanksgiving.The marginal utility she derives from the sixth serving she eats is _____ units.

A) -25
B) 0
C) 25
D) -15

Marginal Utility

The added satisfaction or utility that a consumer receives from having one more unit of a good or service.

Macaroni and Cheese

A classic dish made by combining cooked macaroni pasta with a creamy cheese sauce.

Thanksgiving

A national holiday celebrated in several countries, commemorating a feast or giving thanks for blessings, notably observed in the United States on the fourth Thursday in November.