Volume Purchase Program - can you offer reduced price for bulk purchases?

My app is in the VPP store already but as far as I can see it is in there at the standard Tier 4 price. The only option to offer a reduced price to VPP members appears to be if they are an educational establishment.


What if an Enterprise company wants to buy 10,000 copies? They clearly would want a discount. How can I offer this?


Or is there another way? Maybe offering a "For Business" version of the app and invoice separately like Box, Evernote, etc? (unless I'm misunderstanding how they work).


Amy guidance gratefully received.