price markup

My price markup are: 1 0 < cost < $1 cost = 6.95 2 $1 < cost < $2 cost = 7.95 3 $2 < cost < $5 cost * 3.5 4 $5 < cost < $10 cost * 2.5 5 $10 < cost < $30 cost * 2 6 $30 < cost < $50 cost * 1.65 7 $50 < cost < $100...