Which field is required to achieve this declaratively?

A Platform Developer needs to implement a declarative solution that will display the most recent Closed Won date for all Opportunity records associated with an Account.

Which field is required to achieve this declaratively?
A . Roll-up summary field on the Opportunity object
B . Cross-object formula field on the Opportunity object
C . Roll-up summary field on the Account object
D . Cross-object formula field on the Account object

View Answer

Answer: C