Suppose a stock index contains the stock of four firms: A, B, C, and D. The stock prices for the four companies are $40, $25, $160, and $15, respectively, and the firms have 100, 400, 200, and 50 shares outstanding, respectively. If the next day, share price change to $42, $25, $167 and $16, respectively the percentage change in price weighted index is Select one: a. 4.99% Ob 3.53% C.-5.33% d. 4.16%