We need to develop, Single item(product) will add with different variations at same time with different quantity. Please have a look html using http://oleary-walker.stagingsite.work/?page=our-wines this URL.
Also price will different for regular user and prime user.
Please check below screenshot.
Please Reply ASAP.
I came across your post and just wanted to confirm if you want something of this sort.
Please confirm so that I can help you further.