Is it possible to default the Expense header amount onto the itemized line amount

Summary:

As shown in the image, is it possible to default the Expense Header Amount to the Itemized Line Amount for single itemization line expenses?

Content (please ensure you mask any confidential information):

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

25A (11.13.25.01.0)

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