Which situation best describes when the owner of a successful italian restaurant would be wise to do a benefit-cost analysis?

a) when deciding which job applicant to hire
b) when deciding what to name a new menu item
c) when deciding if the restaurant should except reservations
d) when deciding to either expand the existing restaurant or to open a second location

i think its D) when deciding to either expand the existing restaurant or to open a second location

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.

can you explain it better