During Mechanical Ventilation of a Patient with COPD,the PₐCO₂ =

During mechanical ventilation of a patient with COPD,the PₐCO₂ = 58 mm Hg and the minute ventilation = 5.5 L/min.The desired PₐCO₂ for this patient is 45 mm Hg.To what should the minute ventilation be changed?

A) 4.3 L/min
B) 4.8 L/min
C) 6.6 L/min
D) 7.1 L/min