Slatescape Sells Crushed Slate to Be Used as a Decorative,permanent

Slatescape sells crushed slate to be used as a decorative,permanent mulch to keep weeds out of flower beds.Initially,Slatescape was marketed heavily to home owners,but after years of radio and television advertising,Slatescape has decided to put a majority of its promotion budget into personal selling and sales promotion to lawn and garden supply stores and large discount stores such as Wal-Mart.This new strategy is a _____ strategy.

A) kinetic
B) push
C) pull
D) foot-in-the-door
E) reinforcement