How much water would Henry need to fully rehydrate if his pre-exercise dry body weight (voided) was 175 lbs. (79.5 Kg) and his post-exercise dry body weight (voided) was 172 lbs. (78.1 Kg)?

Group of answer choices
a. 1.8 liters of water (approx. 62 ounces).
b .2.2 liters of water (approx. 74 ounces).
c. 1.2 liters of water (approx. 40 ounces).
d. 1.6 liters of water (approx. 54 ounces)