Northern Trail Outfitters wants to calculate how much revenue has been generated for each of its marketing campaigns.
How should an administrator deliver this information?
A. Design a standard Campaign report and add the value Won Opportunities in Campaign field.
B. Perform periodic data job to update campaign records.
C. Create a roll-up summary field on Opportunity to Campaign.
D. Add a Total Value Field on campaign and use a workflow rule to update the value when an opportunity is won.