Everyday wear retail had the following balances and transactions during 2018: beginning inventory 15 units at $71 june 10 purchased 30 units at $85 december 30 sold 20 units december 31 replacement cost $66 the company maintains its records of inventory on a perpetual basis using the first-in, first-out inventory costing method. calculate the amount of ending merchandise inventory on december 31, 2018 using the lower-of-cost-or-market rule.