A nurse is preparing to administer ciprofloxacin 400 mg by intermittent IV infusion to a client over 60 min. Available is ciprofloxacin 400 mg in dextrose 5% in water (DSW) 200 mL. The nurse should set the pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)