2019 Mona Co. includes one coupon in each bag of dog food it sells. In return for six coupons, customers receive a toy. The toys cost Mona $2.50 each. Mona estimates that 30 percent of the coupons will be redeemed. Data for 2018 and 2019 are as follows: _2018 Bags of dog food sold 500,000 600,000 Toys purchased 18,000 22,000 Coupons redeemed 120,000 150,000 The premium liability at December 31, 2018 is OA $7,500. B. $17.500 2 c$20,000 D. $12.500