- The building has no anticipated salvage and an estimated useful life of 20 years. Provide the adjusting entry at 12/31/20 and determine the date of the building's purchase. - The prepaid insurance contract balance reflects 18 months of the remaining contract and was originally paid for in full during 2019 . Provide the adjusting entry at 12/31/20. - The deferred revenue account represents gift cards purchased throughout the year. At 12/31/20,$20,000 of gift cards had been redeemed. Provide the adjusting entry at 12/31/20. - Assume a 40% tax rate. Required: (1) Provide the adjusting entries for Manning Corp. at 12/31/20, identifying the impact to A/L/NI for each, and classifying each as an accrual or deferral. (2) Create an adjusted trial balance 12/31/20. (3) Provide closing entries. (4) Create a post-closing trial balance 12/31/20