Final answer:
Luxury cars are likely to have the highest income elasticity of demand.
Step-by-step explanation:
The income elasticity of demand measures how sensitive the quantity demanded of a good is to changes in income. In general, luxury goods tend to have the highest income elasticity of demand. Therefore, for the given options, the highest income elasticity of demand is likely for Luxury Cars. As people's income increases, they are more likely to purchase more luxury cars, while a decrease in income may lead to a decrease in the quantity demanded of luxury cars.