This excerpt taken from the GIS 10-Q filed Sep 19, 2007.
Cost of sales increased $119.1 million from the first quarter of fiscal 2007 to $1,915.8 million. Higher volume drove $48.7 million of this increase. Changes in mix and input cost inflation increased cost of sales by $85.5 million. In addition, we recorded $15.1 million of mark to market gains on our open commodity derivatives in the first quarter of fiscal 2008.