How to add freight charges to the item cost without using LCM?

Summary:

How to add freight charges to the item cost without using LCM?

Content (required):

PO does not have any freight amount. However, when we receive the supplier invoice it includes freight amount. We need to add it to the item cost. However we are not using Landed Cost Management.

Need to know a method to add this freight amount to the item cost without using LCM.

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