Exercise 9-4 Coronado Company began operations in 2017 and determined its ending inventory at cost and at LCNRV at December 31, 2017, and December 31, 2018. This information is presented below. Cost Net Realizable Value 12/31/17 $315,690 $293,860 12/31/18 437,360 419,880 (a) Prepare the journal entries required at December 31, 2017, and December 31, 2018, assuming inventory is recorded at LCNRV and a perpetual inventory system using the cost-of-goods-sold method.