For revenue projects, how to move cost from WIP (deferred) to expense account?

Summary:

For revenue projects, how to move costs initially booked to WIP/deferred account to expense account at the time of revenue recognition?

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For revenue based projects, the cost is initially booked to a WIP/deferred account. The cost needs to be moved from WIP/deferred account to an expense account for revenue recognition.

Looking for suggestions/solutions from experts.

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