Question 17: What is the average revenue per customer per year per division? 29. Remove Division. Sort Row Labels by Average of Revenue. Question 18: What is the average revenue per customer for each of the years? Which year has the highest average revenue per customer? How much is that amount? 30. Add Customer Desc. 31. Within the year with the highest average sales per customer, sort descending the customers by Average of Revenue. Question 19: Which customer has the highest average revenue during the year? 32. Include only Calendar Year in Rows. Country Desc in Columns. Revenue in Values. Insert a Pivot Chart. Choose a Line chart. Change the aggregation of Revenue to Sum. Question 20: Are the historical (year by year) revenue trends for the US and DE similar or dissimilar? 33. Include only Customer Desc in Rows. Calendar Year in Columns. Revenue in Values. Question 21: Did GBI ever gain or lose a customer (based on revenue)? Explain