Summarize information for each item (product) in Summary Report worksheet 5. Item Number: The Item Number which you get from the sales data should be sorted in a descending order based on the total sales revenue. 6. Total $ : Total sales revenue for each item. 7. Item %: The fraction of total sales for each item. 8. Accum%: The cumulative percentage. 9. ABC: The items that contribute to 86% of the total sales are classified as A. The next 10% are classified as B. The remaining are C. 10. Average $ per Week: Average of sales revenue across all the weeks for each item. 11. St Dev$: Standard deviation of sales revenue across all the weeks for each item. 12. CV($): The coefficient of variation (CV) is the standard deviation over the mean of sales revenue