Answer:
The correct answer is: 1.96; Luxury good; option c.
Step-by-step explanation:
The income of consumers increases by 25%.
The quantity demanded of a particular brand of the automobile as a result increases by 49%.
The income elasticity of demand is
=
=
= 1.96
A normal good is a good whose demand increases with the increase in the consumer's income. If the income elasticity is greater than 1, it implies that the good is a luxury good.
For a truck to be a normal good, its income elasticity should be positive and for a normal good, it should be greater than 1.