Which outcome would be a good use for the sum function? check all that apply.

1-determining the amount of supplies needed for a concession stand

2-determine the profits for the concession stand

3-analyzing the average amount each concession shopper spent at the stand

4-figuring the most products purchased by customer

5-determining how much product needs to be replenished for the next sale

6-determining what the expenses of the concession stand were