Compute the price relatives for the four stocks making up the Boran index in exercise 20. Use the weighted aggregates of price relatives to compute the January 2011 and March 2011 Boran indexes.

Data From Exercise 20:

Boran Stockbrokers, Inc., selects four stocks for the purpose of developing its own index of stock market behavior. Prices per share for a 2009 base period, January 2011, and March 2011 follow. Base-year quantities are set on the basis of historical volumes for the four stocks.

 

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Price per Share (S) 2009 2009 January March Stock Industry Quantity Base 2011 2011 A Oil 100 31.50 22.75 22.50 B Computer 150 65.00 49.00 47.50 C Steel 75 40.00 32.00 29.50 D Real Estate 50 18.00 6.50 3.75