Consider the non$-$profit organization Doctors without Borders $($M$$decins Sans Fronti$$res$),$ a Nobel Peace Prize winning organization that provides medical services in war zones and developing countries. For this type of organization, which of the following would likely be the best measure of business value?

Fund balance $($i$.$e$.,$ the net of revenues less expenditures$).$

Lives saved.

Donations raised.

Volunteers deployed.