A benchmark market value index is comprised of three stocks. Yesterday the three stocks were priced at $30, $38, and $90. The number of outstanding shares for each is 710,000 shares, 610,000 shares, and 310,000 shares, respectively. If the stock prices changed to $34, $36, and $92 today respectively, what is the 1-day rate of return on the index? 2.24% 3.64% 3.09% 4.86%