User would like the option to set Alternate Vendors for Products within their Catalog.
Yes, as the wording of "primary" vendor is very misleading... as it is actually THE ONLY vendor. Pricing shall be maintained as vendor specific. Historical data when extracted or collected for reports should have the ability to be combined into a total count or remain per vendor.
When creating PO's, the drop down selections possibilities:
1. "Create PO based on best price", generated based the best price for any vendor on file.
2. "Create PO's based on project selected vendors". When Po's need to be sent to partners that may have brought the sales opportunity.