A school is having a pizza party. Each pizza is cut into 12 slices. Which explains whether it is better to estimate a greater or lesser number than the actual number of people that will eat pizza? A.

It is better to estimate a lesser number of people so the school can save money by ordering fewer pizzas.
B.

It is better to estimate a greater number of people to make sure there is enough pizza for everyone.
C.

It is better to estimate a lesser number of people to make sure there will not be extra pizza that will get thrown away.
D.

It is better to estimate a greater number of people because they can return any extra pizza that does not get eaten.