Final answer:
To track the sales person on the sales forms and display their name on the invoice, you can include a field for the sales person's name on the sales forms and create a database or spreadsheet to link it.
Step-by-step explanation:
To track the sales person on the sales forms and display their name on the invoice, you can include a field for the sales person's name on the sales forms. This field can be filled in manually or automatically populated based on the employee assigned to the sale. Additionally, you can create a database or spreadsheet to store the sales person's information, such as their name and employee ID, and link it to the sales forms. This way, whenever a sale is made, the sales person's name can be retrieved and displayed on the invoice.