Depends on what quality of finish the OP is looking for.

The chips away type repair is what a dealer would do - makes the car look good, but a year or two down the line, the paint may be lifting. My son had this type of repair done to all four fairly shabby wheels a couple of years ago. Job was done without removing the wheels - £200. At the time, a proper job, removing the tyres, blasting back to bare metal and painting was in excess of £100 per wheel.

Yer pays yer money....

How much do financing companies deduct for any wheel scuffs in case don’t get even repaired?

If they are anything like hire companies, as much as they can, perhaps based on the cost of a professional refurbisher.