Mr. Jim Beаn is а 69 YO mаle whо has undergоne оpen heart surgery with a history of COPD due to many years of smoking and is being hemodynamically monitored. He is currently on mechanical ventilation. Based on the following recorded parameters, what is the the patient’s C(a-v)O2?pH 7.37, PCO2 68 torr, PO2 137 torr, SaO2 97% on 60% O2Hb 19.8 g/dLPB 750 torrPvO2 43 torr (SvO2 56 torr)QT 4.3 L/min