Inventory cost is determined using the last-in, first-out (LIFO) method. The reserve to reduce inventories from a FIFO basis to a LIFO basis (i.e., the LIFO reserve) amounted to $30.5 at December 31, 2020 and $24.5 at December 31, 2019. The dollar amount of inventory Agocon reported on its 2020 balance sheet using the LIFO method is