Question Help Delaware Retail, Inc. had the following balances and transactions during 2019. Beginning Inventory June 10 December 30 December 31 10 units at $72 Purchased 20 units at $81 Sold 20 units Replacement cost $62 The company maintains its records of inventory on a perpetual basis using the last - in, first-out inventory costing method. Calculate the amount of ending Merchandise Inventory at December 31, 2019 using the lower-of-cost-or-market rule. O A. $1,240 OB. $1,860 OC. $810 OD. $620