Opera Corporation uses the dollar-value LIFO method of computing its inventory cost. Data for the past three years is as follows: Year ended Inventory at Price December 31. End-of-year Prices Index 2017 $650,000 100% 2018 1,260,000 105% 2019 1,350,250 110% What is the 2018 inventory balance using dollar-value LIFO? What is the 2019 inventory balance using dollar-value LIFO