Plzz solve it

Plzz solve it calculate the cost of living index number for 2016 taking 2012 as base year trom the following data by family budget Method. PrEesih2012(lnWkg) Prices in 2016(in 15 12 10 10.00 16.50 6.00 15.00 8.00 12.00 20.00 7.50 16.00