Answer :
The consumer promotion tool that requires consumers to send proof of purchase to the manufacturer is a cash refund.
What is a cash refund?
A cash refund is also referred to as a cash-back offer or cash rebate. It is a promotional tool that consists of refunding the money for the purchase of a product, as long as the receipt or proof of purchase is sent to the manufacturer. A cash refund is used as an incentive or a discount to buy. The refund of the amount of the purchase can be total (full cash refund) or partial.
Your question is incomplete, but most probably your full question was:
Which consumer promotion tool requires consumers to send a proof of purchase to the manufacturer?
a) Cents-off deals
b) Coupons
c) Samples
d) Cash refunds
e) Promotional products
Know more about consumer promotion here:
https://brainly.com/question/29452603
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