Ceteris paribus, which of the following will cause the demand for ice cream to increase?

ingredients of ice cream image

tom

A. The technology used to produce ice cream improves. ~-----
B. The cost of milk, a key ingredient in ice cream, decreases.
C. The wages paid to ice cream industry workers decrease.
D. Consumer incomes increase.

Answer
D. Consumer incomes increase.


the other 3 affect supply.