17-9 1-6 Consumer Promotions Samples Coupons >Premiums >Contests/sweepstakes Refunds/rebates Bonus packs Price-offs Event sponsorship 制卧经价蜀易大考 国际商学院市场营销学系I-6 Consumer Promotions ¾ Samples ¾ Coupons ¾ Premiums ¾ Contests/sweepstakes ¾ Refunds/rebates ¾ Bonus packs ¾ Price-offs ¾ Event sponsorship 17 － 9 17 － 9