Exercise 9-26 You assemble the following information for Riverbed Department Store, which computes its inventory under the dollar-value LIFO method Retail Cost Inventory on January 1, 2020 $678,600 $870,000 Purchases 1,113,600 1,392,000 Increase in price level for year 9% Compute the cost of the inventory on December 31, 2020, assuming that the inventory at retail is (a) $853,470 and (b) $1,058,935. (Round ratios for computational purposes to 0 decimal places, e.g.78% and final answers to 0 decimal places, e.g. 28,987.) (a) Cost of the inventory on December 31, 2020 $ (b) Cost of the inventory on December 31, 2020 $ Open Show Work Click if you would like to Show Work for this