expenditure (Q)

all other goods

2017= 80,3

2018=79,7

2019=79,2

food and non alcoholic beverage

2017=19,7

2018=20,3

2019=20,8

CPI (P)

food and non alcoholic beverage

2017=349,155 TL

2018=411,87

2019=492,33

use food and non-alcohol beverage on the horizontal axis and all other goods on the vertical axis.

a.For the assigned three years, please draw the revealed preferences diagram of the consumers for the good in your assigned regions by using three years observation you assigned. Can you tell anything about the welfare of the consumers? Are they better off or worse off in these years?