Which best describes the concept of flow-through in the hotel industry? 

a. A measure of the ability of a hotel to convert increased revenue dollars to increased gross operating profit dollars 

b. The net number of guests who check into and out of a hotel in one day 

c. A measure of the ability of a hotel to convert increased revenue dollars to increased net income dollars 

d. The net amount of money deposited and withdrawn from a hotel’s bank account during a specific accounting period