The average consumer divides his expenditure between food, clothing, accommodation and transport in the ratio 2:1:4:3. During the course of a year, the price of food falls by 2%, the price of clothing increases by 4%, the price of accommodation increases by 10% and the price of transport remains constant. Assuming that the weights of a price index reflect the expenditure of the average consumer, what is the increase in the index over the year?
✓ Correct answer
B: 4%
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