Decimal precision of rolled up costs

Summary:

Actually, we rolled up the Item cost for one Cost Org and we are loading the same as standard item cost for another cost. While doing this we are facing Item cost mismatch for that analysis we need to know what the precision is for rolled up item cost.

Content (please ensure you mask any confidential information):

Precision of rolled up item costs restrictions.

Rolled up cost it should be same in UI and Export in excel as well.

We have tried Currency precision options and UOM Precision but it's not working for rolled up costs.

Version (include the version you are using, if applicable):