Where can I check the rate of a single product in the cashier system of Haidian drugstore?

1. First, open the cashier system of Haidian Pharmacy and find the corresponding entrance in the menu bar or toolbar of the system.

2. Secondly, in the report or query function, find the options related to sales data, including sales statistics, sales reports, sales analysis and so on.

3. Finally, in the sales data option, find the single product rate report or indicator, select and set the query conditions, filter according to the specific needs, and submit the query.