Sales History Report (by Salesperson, Customer, Item)
This report gives you a two-in-one report. You can select to show quantities or amounts. You may also select to show only items, to get a historical view of your item sales. The standard layout gives you Salesperson, Customer and product sales for year-to-date, month-to-date, prior year, 2 years prior and 12 months data.
Here is the full report:
In case you want to download and forecast product sales, here is an Item only view:
This is the selection criteria for the report:
This is the SQL only version.