You have available a vial of medication 25,000 mg in 2 ml NS (Normal Saline). You are to add it to a 250 ml bag of NS, and then administer it at the rate of 900 mg an hour. How many ml will you give per hour?
a) 22.5 ml/hr
b) 25 ml/hr
c) 27.5 ml/hr
d) 30 ml/hr