Wildhorse Co. Includes one coupon in each bag of dog food it sells. In return for 4 coupons, customers receive a dog toy that the company purchases for $1.30 each. Wildhorse's experience indicates that 60 percent of the coupons will be redeemed. During 2020, 108,000 bags of dog food were sold, 12,780 toys were purchased, and 43,200 coupons were redeemed. During 2021. 115,200 bags of dog food were sold, 15,490 toys were purchased, and 57,600 coupons were redeemed. Determine the premium expense to be reported in the income statement and the premium liability on the balance sheet for 2020 and 2021. 2020 2021 Premium expense $ $ Premium liability $ $