You need to enable class in preferences and create a class for each outlet, then you tag transactions with the class and you can report on P&L or Balance sheet by class.. Read the help article about class it pertains to your situation and is one of the better articles.

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Resolution for 'centralized inventory issue: 'How to manage 2 business units with centralized inventory but different sale points?' available: Yes.

The centralized inventory 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 centralized inventory issue yourself by looking for a resolution described in the article. If it is a complex centralized inventory issue or you are unable to solve the issue, you may contact us by clicking here or by using other centralized inventory support options.

For more information about resolving issues related to centralized inventory in Quickbooks/QBO or to get support for the issue 'How to manage 2 business units with centralized inventory but different sale points?', click the link below: