You can get to the Sales By Line Item Report by going to Reports > Sales > Sales By Line Item.
This will then bring you to the screen below:
RED - Here you can choose the Date Ranges for the report.
ORANGE - If you would like a more Detailed Report you will want to check off the "Detailed" Checkbox.
GREEN - If you would like the report based off of the date the job was Closed Out in the system then you will check off "By Closed Out Date".
BLUE - If you would like the report based off of the date the Job was completed on then you will check off "By Move Date".
YELLOW -Don't forget to click "View" to see your Report.
PINK - These buttons will allow you to either Export to PDF or CSV file.