Wb-6f, Inc. reported the following inventory information for 2022: January 1: Wb-6f, Inc. had inventory of 44,000 units with each unit costing $15.90 April 27: Wb-6f, Inc. purchased 37,000 units of inventory with each unit costing $13.20 June 13: Wb-6f, Inc. purchased ?????? units of inventory with each unit costing $11.10 September 2: Wb-6fe, Inc. purchased 35,000 units of inventory with each unit costing $8.50 December 16: Wb-6fe, Inc. purchased 38,000 units of inventory with each unit costing $5.80 During 2022, Wb-6f, Inc. sold 66,000 units of inventory to its customers. Calculate Wb-6f, Inc.'s cost of goods sold using the inventory cost flow assumption that will show the lowest ending inventory balance for 2022. Hint: It is not necessary to figure out the number of units purchased on June 13 in order to answer this