1. If the marginal utility of consuming an additional slice of pizza is negative, what can we infer?
   

AThe consumer is irrational.

BThe consumer should consume more pizza.

CThe consumer is already consuming too much pizza.

DThe consumer’s total utility is decreasing.

1. If the marginal utility of consuming an additional slice of pizza is negative, what can we infer?
   

AThe consumer is irrational.

BThe consumer should consume more pizza.

CThe consumer is already consuming too much pizza.

DThe consumer’s total utility is decreasing.