Using simple Aggregate method obtain index numbers for 1990 taking 1988 as the base year from the following data

Question: Using simple Aggregate method obtain index numbers for 1990 taking 1988 as the base year from the following data

CommoditiesABCDE
19881008016022040
199014012018024040
Price (in Rs)

Solution:

Computing Index number (Simple Aggregate Method)

Solution homework

Which shows a net increase of 20% in the price of commodities in the year 1990 as compared to 1988.