A benchmark index has three stocks priced at $15, $78, and $…

A benchmark index has three stocks priced at $15, $78, and $33. The number of outstanding shares for each is 494,000 shares, 580,000 shares, and 304,000 shares, respectively. If the market value weighted index was 700 yesterday and the prices changed to $16.40, $81.40, and $36.80 today, what is the new index value?