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