How to default accounting flexfiled on Travel expense form in Fusion

Summary: Users want to see the "accounting" for the Expenses defaulted , before submitting the Expense report for approvals. This they want to see defaulted in the main page of the Expense form ( as attached ) . Users want this by way of a new column on this page.

Content (required): I created

a Sandbox and used Page composer but could not reach the required result. Is Application composer needed for the same change to be deployed ?

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