(Table: The Utility of Macaroni and Cheese) Use Table: The Utility of Macaroni and Cheese.Carmen loves eating macaroni and cheese on Thanksgiving.Carmen's marginal utility from eating macaroni becomes negative at the _____ serving.

A) first
B) second
C) fifth
D) sixth

Marginal Utility

The incremental enjoyment or advantage a consumer receives from consuming one more unit of a good or service.

Macaroni and Cheese

A popular dish made with macaroni pasta and a cheese-based sauce, often baked or otherwise prepared as comfort food.

Negative

Used to describe values less than zero, situations of decrease or loss, or aspects considered undesirable or harmful.