REPORT THIS WEEK LAST WEEK DIFFERENCE   Chicago 2.98 3.01 -0.03 CHICAGO 10 WEEKS 27 WEEKS THIS YEAR Average 2.98 2.92 2.92 High 3.08 3.08 3.13 Low 2.90 2.79 2.66 Data provided by iNet Solutions Group, Inc. All commodity prices delayed 10 minutes.