The P.O Quantity showing for my items are showing wrong and missleading numbers not equivilant to the open purchase order for the item.any help with this bug ?

Thank you for notifying us of the issue you are experiencing, @louise50. 

Currently, we've already received reports that some users have also encountered the same issue you're having. Rest assured, our Engineering Team is aware of this and is working diligently to resolve it.

In the meantime, I'd recommend contacting our Customer Support Team to add you to the list of affected users. This way, you'll receive updates about the ongoing investigation via email. 

See the steps to get in touch with our representatives:

1. Go to the Help icon and select the Search tab.
2. Click Contact Us.
3. Please give a brief description of the problem and tap Let's Talk. 
4. Scroll down and choose to Get a callback. 

In addition, here's a guide in case you need instructions on adding a discount to your sales forms: Add a discount to an invoice or cash memo in QuickBooks Online.

Keep us posted about this matter to ensure that will get sorted out. The Community is always here for you. Stay safe!