Rogers Cable Mailed 15,000 Small Business Owners in and Around

Rogers Cable mailed 15,000 small business owners in and around Toronto a CD called 100+ Essential Web Sites for Small Business Owners that lists and links the top websites on improving retail sales.All of the businesses are prospects for Roger's cable-based service.Rogers hopes that recipients of the CD will view this as just one of many useful services Rogers can provide them.What is this CD an example of?

A) a direct buyer program
B) a sampling
C) a pull product
D) a push product