When viewing the matrix group, you can see details of sales for an individual matrix inventory item.
1) Highlight the matrix header
2) Highlight the individual matrix item in the table at right. This shows the current stock count of the highlighted item.
3) Choose Item Activity: Sales History tab and each invoice which sold this item will be listed.
Totals
In the bottom right is an aggregate told sold.
Details
To see even more detailed information for multiple years of sales of this item, choose the Details button in the center-right of the screen.
On the Inventory Sales Summary screen (select Sales Table under View) you can focus on Revenue, Profits, or Units Sold. (see Inventory Sales Summary)
Graphs
The data will be displayed graphical by choosing, from the View menu, one of the specific types. (see Inventory Sales Summary)