Mathematics · Economy and Index Numbers
A country measures the rate of inflation using a base-weighted index (Laspeyres price index) with 20X1 as the base year. Based on the following data for three products, calculate the percentage increase in the price index from 20X1 to 20X2: Product20X1 Qty (millions)20X1 Price () 20X2Qty(millions) 20X2Price()Milk3001.003201.10Cola1502.001202.50Phones5080.0075100.00
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