Условие:
Commodity\tTotal revenue, mln.rur.\tChange of price in December as compared with November, %\nNovember\tDecember\nMilk 19.4 12.6 + 12.1\nSour Cream 9.0 8.0 + 18.5\nCottage 25.8 23.0 + 10.4\nFind composite average price indexes, using The Paasche method and Laspeyres method; composite value index and composite quantity index.

