3822973 - How to update France Personal Car - Mileage Rates to include variable mileage and fixed amount?

For France - Personal Car configuration, we need for mileage rates from 5,001 - 20,000 km to be a combination of a fixed amount PLUS the amount of km * a rate.
For example, for a 7CV vehicle, if the distance is 5,050 km, then we would want the rate to be calculated as 5050*0.374 plus EUR 1,435.

Rates per French regulations show the vehicles that fall between 5,001 - 20,000 km need this type of rate structure. miles * km rate plus EUR fixed amount , KBA , CON-CA-ADM , Administration , Problem