and of course if they produce and sell more niobium they will get more scandium as a result. Niocorp could survive on Niobium alone. Nio could in theory produce and sell scandium at marginal costs. I do not think any of the competitors could do this without going bankrupt. Nevertheless I rather have them selling at 3675 per kg.
Your back of the envelope calculation is preposterous. Scandium costs $1100 per kilogram to produce from the byproduct. Read the BFS and the production flowchart.