I have done research on it and I would say B also
You can go to the place where you got them done and ask them to take them off. Or you can use a spare fake nail and wiggle it underneath the acrylic and it should pop off. Another way you can grow your nails out and clip off the acrylic nail with nail clippers as your nail grows.
Not sure per month, but in a year they make around $127,800. So you could divide that by 12. Which would be 10,650 per month.