Which of the following best completes the passage below?
Consumer perceptions that mail-in rebates, a sales practice in which a retailer reimburses customers for a portion of a product’s price at a later date, constitute significant savings are substantially skewed. Most of the rebates offered are never redeemed. Thus, the benefit to consumers on the whole is quite small, because _______.
【选项】
the amount of money spent on fulfilling rebates pales in comparison to the costs of operating a retail organization
选项是否正确？