Answer:
c. 1.5%
Explanation:
Food as total Expenditure of Country = 15%
Food's Price rise = 10%
while other components of the price index remain constant price index rise will be calculated as follows:
Price index rise = 15% x 10%
Price index rise = 0.15 x 0.1
Price index rise = 0.015
Price index rise =1.5%
So the correct option is c. 1.5%