Hello, Baloy.
I'd be glad to show you how to apply for a loan in QuickBooks Online (QBO).
QuickBooks customers can apply right in QuickBooks and get a decision in minutes. Approved loans typically fund in as fast as 1–2 business days. You can refer to this article: Business Term Loans - QuickBooks
Please see the attached screenshot for more details:

Additionally, I will provide you with the loan calculation details:

To assist you further, I'm including an article that will help you in recording and managing your loan in QBO: Set up a loan in QuickBooks Online
If you have further questions about applying loan in QBO, you can comment below, and we'll respond to you as soon as possible.