Mott Co. includes one coupon in each bag of dog food it sells. In return for eight coupons, customers receive a leash. The leashes cost Mott $2.00 each. Mott estimates that 40% of the coupons will be redeemed. Data for 2010 and 2011 are as follows: 2010 2011 Bags of dog food sold 500,000 600,000 Leashes purchased 18,000 22,000 Coupons redeemed 120,000 150,000 The estimated liability for premiums at December 31, 2010 is (Points : 5) $7,500. $10,000. $17,500. $20,000.