Will External purchase price impact inventory or is it only specific to purchasing

Summary:

Content (required):

Will External purchase price impact inventory or is it only specific to purchasing. Whenever we try to upload the purchase price depending upon the manufacturer's part number, will it reflect the same price under the Item definition or it will be imported only for Purchasing module?

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

21D

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