Answer:
B) a reaction to a loss of discretionary income.
Explanation:
Discretionary income refers to the amount of money a household has left after paying for taxes, social security and basic necessities. Basic necessities include expenses related to food, housing and clothes.
The Parker's income increased by 2%, but their basic necessities increased by a higher percent (4 and 5%), so the amount of money left for discretionary expenses like eating at nice restaurants decreased.