1, delete operation
The cursor specifies the line to be deleted, and click the symbol'-'in the upper right corner of the page to open a dialog box. Press OK to delete the line. Then exit safely.
2. Modify the operation
The cursor specifies the item to be modified, and then modifies it. After modification, click the "√" sign in the upper right corner of the page. Then exit safely.
3. Increase commodities
The cursor specifies the last line of the product catalog, click the "+"sign in the upper right corner of the page, and a blank line will appear, where you can enter relevant contents. When finished, click the "√" symbol in the upper right corner of the page. Then exit safely. Just don't forget whether the commodity price includes tax, and select' T' (Yes) or' F' (No) in the last column of this bank.