ProP i here what you say but theres a huge floor in your calcs.
They currently produce just 60,000 cases per annum. That is about to increase to 1.2Million cases. But your suggesting income will only grow from 1.8M profit to 3.6m profit.
Thats a production increase of 2000% with the economies of scale that come with it, and yet your only allocating a 200% increase in profit.