How to associate estimates with Maintenance WO in Service Logistics?

Summary: We are creating multiple Maintenance Work orders on a single RMA line in Service Logistics Depot repair. Need to know how Estimates are associated with Multiple WOs.

Content (required):

I.e. For Work Order 1, we have created the below estimates. 

Labor $100

For Work Order 2, we have created the below estimates.

Labor $200

Material $100

System's only showing 3 estimate lines without any reference to the Work order. Is there any way we can identify which estimate belongs to which WO on Depot repair?

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Code Snippet (add any code snippets that support your topic, if applicable):