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. push
b. pull
c. foot-in-the-door
d. reinforcement