How can this be accomplished using NPSP?

A nonprofit organization wants to designate its donors into three categories, Gold, Silver, and Bronze, based on the total gift amount for that year.

How can this be accomplished using NPSP?
A . Create a picklist field that will display the categories based on the Total Gifts This Year field.
B Create a custom field on the Opportunity that will display the categories and a process in Process Builder to populate the value based on the Total Gifts This Year field.
B. Set up NPSP Levels for the categories based on Total Gifts This Year.
C. Create a custom field on the Opportunity that will display the categories and a custom trigger to populate the value based on the Total Gifts This Year field.

View Answer

Answer: C