Woocommerce bundle products that deduct inventory

I have a client in the fashion industry who needs to be able to sell wholesale packs. I found a plugin that allows wholesale users and product variations but it doesn’t quite do what I need.

Specifically what I need is for her to sell a pack of 6 (2 small, 2 medium, 2 large) for one discounted price. The key is that it also needs to deduct the correct amount of inventory (2 from each variation) all at once.

The other thing that needs to happen is that the pack needs to show the unit price, not the price for all six.

So just to be clear. Let’s say shirts retail for $20. The wholesale price is $10/shirt when purchased in a pack of six. So they would see $10 and add that to cart, but in the cart it would show as $60 with 2 small, 2 medium and 2 large.

It’s pretty standard in the fashion world for retailers to buy this way, I’d be surprised that nobody has come up with a solution to this yet but if not, anyone have any ideas on how to hack this in with code?