The file beveragedistributor contains data on the monthly revenue for a large regional distributor of beverages.

a. Create a line chart to depict the revenue time series at the annual level. What insight on beverage sales does this chart reveal?

b. Create a line chart to depict the revenue time series at the quarterly level. What insight on beverage sales does this chart reveal?

c. Create a line chart to depict the revenue time series at the monthly level. What insight on beverage sales does this chart reveal?

d. Comparing the line charts created in parts (a), (b), and (c) discuss the importance of choosing the level of aggregation for time-series data?