Yeah, it's dependent on material costs - buying
+ 4 unprocessed crystals
+ 400k (for the 25% mid-grade)
- 3 low-grade sold
- 1 mid-grade sold
vs.
+ 10.5 low-grade
+ 500k
- 1 mid-grade sold
I'm assuming low-grade will end up worth less than ungraded, by looking at this - balance is found when the 4 un - 3 low ~= 10.5 low => 4 un = 13.5 low
+ 4 unprocessed crystals
+ 400k (for the 25% mid-grade)
- 3 low-grade sold
- 1 mid-grade sold
vs.
+ 10.5 low-grade
+ 500k
- 1 mid-grade sold
I'm assuming low-grade will end up worth less than ungraded, by looking at this - balance is found when the 4 un - 3 low ~= 10.5 low => 4 un = 13.5 low

