Following is some information regarding a town’s expenditure:
Expenses on itemsFood 43%Fuel 7%Clothing 27%Rent 13%Misc 10%Price (in Rs.)in 201417063411012950347Price (in Rs.)in 19821004122334249200
What is the cost of living index of the year 2014 as compared with the year 1982?
179.5
∑(W×P1P0)∗100=[43∗(17061004)+7∗(341122)+27∗(1012334)+13∗(950249)+10∗(247200)]×100=(73.06+19.56+81.81+49.60+17.35)×100=241.38×100P01=[∑(W×P1P0)∑W]×100=(241.38×100)100=241.38
Thus the cost of living has become 2.4138 times in 2014 as compared with that of 1982.