An 80-Year-Old Male Patient Has End-Stage Alzheimer's and Has Recently

An 80-year-old male patient has end-stage Alzheimer's and has recently been diagnosed with severe dysphagia. This patient is getting discharged from hospital. His height is 5' 9" and he weighs 162 pounds with no recent changes in weight.
-Calculate the approximate daily fluid requirements of this patient.

A) 1000 mL
B) 1800 mL
C) 2200 mL
D) 3100 mL
E) 3400 mL