Which combination of events is most likely to leave the demand curve for a normal good in the same position?
a decrease in consumer incomes and an increase in the price of a substitute good
2 )
a decrease in consumer incomes and an increase in the price of the good
3 )
an increase in consumer incomes and an increase in the price of a substitute good
4 )
an increase in consumer incomes and an increase in the price of the good
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