To raise operating funds, national distribution center sold its office building to an insurance company on january 1, 2018, for $800,000 and immediately leased the building back. the operating lease is for the final 12 years of the building’s estimated 20-year remaining useful life. the building has a fair value of $800,000 and a book value of $650,000 (its original cost was $1 million). the rental payments of $100,000 are payable to the insurance company each december 31. the lease has an implicit rate of 9%. required: 1. & 2. prepare the appropriate entries for national distribution center on january 1, 2018 and december 31, 2018, to record the sale-leaseback and necessary adjustments. (if no entry is required for a transaction/event, select "no journal entry required" in the first account field.)