I only need part b

Ch 4

You are given the following information regarding prices for a sample of stocks. PRICE Stock 3,200,000 10,000,000 27,000,000 570 $88 a. Construct a price-weighted index for these three stocks, and compute the percentage change in the index for the period from T to T +1. Do not round intermediate calculations. Round your answer to two decimal places. 40.35 0% b. Construct a value-weighted index for these three stocks, and compute the percentage change in the index for the period from T to T +1. Do not round intermediate calculations. Round your answer to two decimal places