I am still working on the definitions but I can clearly see this problem coming. The app is for used car dealers. Customer classes break down along these lines:
cash customers
self financed customers
financing done thru outside financial agencies with no strings
financing done thru outside financial agencies with strings such as holdbacks, incentives, etc
wholesale
leases
A problem is a problem only as long as it has a possible solution. Lacking that, it becomes a FACT!