An Items window will appear. Select item then press 'F3' to feed Rate-B.
Suppose, Select 'Acnedrem Lot'.
Thereafter, a Modify Product window will appear. In 'Rate-B' option, the user can feed Rate-B as per the requirement. If Cursor does not wait on Rate field.
Suppose, change '30'.
Then press Ctrl+W and click on 'Yes' to save the changes.
After following the above steps, the user can feed Rate-b of item in Marg Software.