Marty Buys and Sells Used Records and Concert Posters

Multiple Choice

Marty buys and sells used records and concert posters.Marty has hundreds of loyal customers who he will call on the phone when a specific record comes in,as he maintains a simplistic database on his old Commodore 64 computer.Marty is participating in:

A) frequent shopper programs
B) special customer sales promotions
C) gaining competitive advantage
D) special customer services
E) 1-to-1 retailing