Provide an immediate price reduction that is often reimbursed by the manufacturer.

correct answer is Coupons

Explanation:

You know coupons provide you an immediate price reduction in any item

and amount of coupon later reimbursed retailer,

if the economy is getting weak than more consumer collects more coupon and look for a special bargain like a double coupon or buy 1 get 1 free.

and consumers can be download coupon by the mobile phone also  

so here the correct answer is Coupons

answer: b 56, 250

explanation:

answer; vertical marketing system;