After 30 minutes оn mechаnicаl ventilаtiоn, an ABG was оbtained with the following results:pH 7.25 Tot f - 20PaCO2 – 65 mmHg PIP – 40 cm H2OPaO2 – 450 mmHg SpO2 – 100%HCO3 – 26 mEq/L BE – (+1) HbO2 - 99% What would you do at this time?I. Increase minute volumeII. Decrease PEEPIII. Increase SensitivityIV. Decrease FIO2