P4210-Replicate Rewind Charge Functionality

Morning,

I am currently assigned a project with the request to have the Trim Penalty and End Use columns in P4210 Detail Revision to function the same as the Rewind Column. Currently when a Rewind Charge value is added to an order, as soon as the user steps off of the line, the Unit Price is automatically updated as well as the Pricing History to reflect what is entered in the Rewind Charge field. I would like this same functionality in the End Use and Trim Penalty columns and after researching P4210, it appears that this is handled deep within B4200310.c