In 2016, Holyoak Inc. offers a $20 cash rebate coupon to customers who purchased one of its new line of products. Holyoak sold 10,000 of these products during the year. By year-end of 2016, 7,600 of the rebates had been claimed and 7,100 had been paid. Holyoak's historical experience with such rebates indicated that 85% of customers claim the rebates. What is the rebate promotion liability that Holyoak should report in its December 31,2016 balance sheet?

A. $20,000

B. $28,000

C. $18,000

D. $19,000