If Consumer Incomes Go Up and Cars Are a Normal

Multiple Choice

If consumer incomes go up and cars are a normal good, the effect on the demand for cars ceteris paribus, will be a(n) :

A) upward movement along the demand curve for cars.
B) downward movement along the demand curve for cars.
C) rightward shift in the demand curve for cars.
D) leftward shift in the demand curve for cars.