A patient in ICU for a diagnosis of stage IV wound to the sacrum goes into Septic Shock. The nurse receives an order to begin a norepinephrine infusion 18 mL/hr. The patient weighs 158 lbs. The norepinephrine is supplied in a concentration of 4mg in 250 ml of D5W. What is the norepinephrine dose in mcg/kg/min? Place your answer to thousandths.