A 62 kg patient is receiving mechanical ventilation in the I…

A 62 kg patient is receiving mechanical ventilation in the ICU. ABG results and related data are:Mode: PC-SIMV                                 FiO2:   70                              Ti: 0.8 sec            Mandatory Rate: 15 bpm                       Vt:  700 mL             PEEP: 10 cmH2O                                 Pinsp: 25 cmH2O                                              ABG:  pH 7.52/ PaCO2 18/ PaO2 130/ HCO3 14It would be appropriate for the RT to recommend decreasing any of the following except