A user receives a large custom report to track company sales across various date ranges. The user then completes a series of manual calculations for each date range. Which of the following should an analyst suggest so the user has a dynamic, seamless experience?

A. Create multiple reports, one for each needed date range.
B. Build calculations into the report so they are done automatically.
C. Add macros to the report to speed up the filtering and calculations process.
D. Create a dashboard with a date range picker and calculations built in.