The job is making/changing a price contribution.
1. List a product with a price for 1pcs. But you can specify that it can only be sold as a carton with 12 pcs.
2. Normal users can buy one product for a price of ex. 10$
Users can be added as a wholesaler and when logged in they can buy a carton with 12 pcs for wholesalerprice ex. 75$
[url removed, login to view] customer can donate ex. 5% of the sales to a stated organisation, choose between company like RedCross, Unicef etc.
Must be integrated in the admin module.