If Consumer Incomes Go Up and Harley Davidson Motorcycles Are

Multiple Choice

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

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