Problem 4-01 You are given the following information regarding prices for a sample of stocks. PRICE Stock T +1 $90 Number of Shares 3,400,000 12,000,000 30,000,000 T $78 26 19 a. Construct a price-weighted index for these three stocks, and compute the percentage change in the index for the period from To T + 1. Do not round Intermediate calculations. Round your answer to two decimal places. b. Construct a value-weighted index for these three stocks, and compute the percentage change in th round Intermediate calculations. Round your answer to two decimal places