The Old Ridley College Foundation Raised $80,000 at Its "A

The Old Ridley College Foundation raised $80,000 at its "A Taste of Pelee Island," a gala dinner where all proceeds went to support scholarship funds and educational programs at SUNY College at Old Ridley. Attendees were people who had contributed to the scholarship program previously. How would they have been reached?

A) through a compiled list
B) through a response list
C) through a management database
D) through a data warehouse database