4 decimal issue loading invoice with FBDI

Summary:

We are loading AP invoice with FBDI from external source, Unit price is coming from external system as 4 decimal. it looks FBD allows 2 decimal and which is causing some discrepancy in loading invoice amount. How to handle this situation? Any real life example will be helpful.

We are loading the difference while moving from 4 decimal to 2 decimal with a extra line as MISC, but not sure if that is the best option

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