Please help!

Presented below are three independent situations. 1. Windsor Stamp Company records stamp service revenue and provides for the cost of redemptions in the year stamps are sold to licensees. Windsor's past experience indicates that only 80% of the stamps sold to licensees will be redeemed. Windsor's liability for stamp redemptions was $13,895,800 at December 31, 2019. Additional information for 2020 is as follows. Stamp service revenue from stamps sold to licensees Cost of redemptions (stamps sold prior to 1/1/20) $8,729,000 5,495,400 If all the stamps sold in 2020 were presented for redemption in 2021, the redemption cost would be $5,084,800. What amount should Windsor report as a liability for stamp redemptions at December 31, 2020? Liability for stamp redemptions at December 31, 2020 2. In packages of its products, Sheridan Inc. includes coupons that may be presented at retail stores to obtain discounts on other Sheridan products. Retailers are reimbursed for the face amount of coupons redeemed plus 10% of that amount for handling costs. Sheridan honors requests for coupon redemption by retailers up to 3 months after the consumer expiration date. Sheridan estimates that 60% of all coupons issued will ultimately be redeemed. Information relating to coupons issued by Sheridan during 2020 is as follows. Consumer expiration date Total face amount of coupons issued Total payments to retailers as of 12/31/20 12/31/20 $775,800 323,540 What amount should Sheridan report as a liability for unredeemed coupons at December 31, 2020? Liability for unredeemed coupons $ 3. Skysong Company sold 663,800 boxes of pie mix under a new sales promotional program. Each box contains one coupon, which submitted with $4.40, entitles the customer to a baking pan. Skysong pays $6.40 per pan and $0.90 for handling and shipping. Skysong estimates that 70% of the coupons will be redeemed, even though only 272,200 coupons had been processed during 2020. What amount should Skysong report as a liability for unredeemed coupons at December 31, 2020? Liability for unredeemed coupons at December 31, 2020 $