Ayayai Company determined its ending inventory at cost and at lower of cost and net realizable value at December 31, 2018, 2019, and 2020, as follows: Lower of Cost and Dec. 31, 2018 Dec. 31, 2019 Dec. 31, 2020 Cost $65,000 81,000 Net Realizable Value $65,000 78,800 72,900 69,000 Prepare the journal entries that are required at December 31, 2019 and 2020, assuming that a periodic inventory system and the direct method of adjusting to NRV are used. (Credit account titles are automatically indented when the amount i indent