Nice to see you again in the Community space, @newtechsystems84.
I see you’ve posted the same question and I already added a response to it.
You can visit this link and check it out: https://quickbooks.intuit.com/learn-support/global/manage-customers-and-income/discount-and-round-of...
You can always check our Help articles page for future references. There, you can read some articles that can guide you in your future tasks.
You’re always welcome to leave a reply if you have other questions about QuickBooks Online. I’ll be around to answer your queries. Have a jolly day ahead!