Which function should you use in the variable?

You want to compare the sales revenue performance of the top 20% of your customers to the average of all of your customers.

You decide to apply a rank on the table that shows customers and revenue and create a variable to show the average revenue for all customers.

Which function should you use in the variable?
A . NoFilter()
B. NoRank()
C. AverageAll()
D. IgnoreFilter()

Answer: A