With a downsloping demand curve and an upsloping supply curve for a product, an increase in consumer income will:

With a downsloping demand curve and an upsloping supply curve for a product, an increase in consumer income will: 





A. increase equilibrium price and quantity if the product is a normal good.
B. decrease equilibrium price and quantity if the product is a normal good.
C. have no effect on equilibrium price and quantity.
D. reduce the quantity demanded, but not shift the demand curve.




Answer: A