-Even though Mary's income is very low,she makes sure that she purchases enough milk for her family to drink.As her income rises,she does buy more milk.Which graph in the above figure best represents Mary's Engel curve for milk?
A) Graph A
B) Graph B
C) Graph C
D) Graph D

Question

-Even though Mary's income is very low,she makes sure that she purchases enough milk for her family to drink.As her income rises,she does buy more milk.Which graph in the above figure best represents Mary's Engel curve for milk?
A) Graph A 
B) Graph B 
C) Graph C 
D) Graph D

Quizplus · Accepted Answer

An Engel curve shows the relationship between income and quantity demanded. Since Mary buys more milk as her income rises, the Engel curve for milk would be upward sloping, which is represented by Graph C.

-Even Though Mary's Income Is Very Low,she Makes Sure That