b$.$ If the price per ton for regular grind is increased to

$$$$10001000,$

how will the solution be$$ affected?

A$.$

The optimal solution and profit could both change. The new profit would be

$$$enter your response here.

$($Round to the nearest dollar as$$ needed.$)$

B$.$

The optimal solution would not change. The profit would change to

$$$enter your response here.

$($Round to the nearest dollar as$$ needed.$)$

C$.$

The optimal solution would not change. The profit would not change.