Answer:
it is challenging to track usage of the coupons
Step-by-step explanation:
Coupons are defined as an instrument that is used to obtain a discount or rebate when making a purchase.
Stores usually give out coupons to customers as an incentive to by products.
However there will be challenge of tracking the coupons as well as the discount on each coupon.
Coupons are given at different discount rates at different times, so it is cumbersome to track a particular coupon out of the many issued when customer wants to redeem it