15. As an incentive for customers to pay their accounts pr omptly, a business may utel i customers a. Sales discount b. Free delivery c. A sales allowance d. A sales return Hale Company sells merchandise on account for $3,000 to Karr Company with credit te 2/10, n/30. Karr Company returns $500 of merchandise that was damaged, along with to settle the account within the discount period. What is the amount of this check? 16. a. $2,940 b. $2,950 c. $2,500 d, $2,450