Changes in Which of the Two Factors Below Would Most

Multiple Choice

Changes in which of the two factors below would most likely cause a change in consumer spending? The following list of factors, are related to the aggregate demand curve.Real-balances effect
Household expectations
Interest-rate effect
Personal income tax rates
Profit expectations
National income abroad
Government spending
Foreign trade effect
Exchange rates
Degree of excess capacity

A) 1 and 3
B) 2 and 4
C) 5 and 10
D) 8 and 9