A benchmark market value index is comprised of three stocks. Yesterday the three stocks were priced at $9, $21, and $56. The number of outstanding shares for each is 574,000 shares. 494,000 shares, and 202,000 shares, respectively. If the stock prices changed to $17, $26, and $70 today respectively, what is the one day rate of return on the index? Multiple Choice 31.83% 27.45% 23.83% 36.83%