QB Issue Resolution:

statements are for customers, are you asking about making it billable?

enter the bill for the finance charge just as you would for any expense.

Resolution for Issue 'how do i record interest expense from a vendor that gets added to the statement balance' available: Yes (Solved).
Source: Intuit Community forum.

how do i record interest expense from a vendor that gets added to the statement balance: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Customers
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for Customers [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: