Answer:
-1.48
Inferior Good, as their quantity demanded decreases as the income of the consumers increases.
C. Greater than 1
As to be a normal good, the income elasticity should be positive. Then, when betwene 0 and 1 this is a necessary good used for the consumer to met their normal living standard
While above 1, menas their expense is more than proportional than income thus, it increases as the income increases more than proportionally that represent a luxury good.
Explanation:
To solve for the income elasticity we divide the variation in quantity over the variation in price:
-37/25 = -1.48