Metlock, Inc. just began business and made the following four inventory purchases in June: June 1 144 units $1008 June 10 192 units 1536 June 15 192 units 1728 June 28 144 units 1440 $5712 A physical count of merchandise inventory on June 30 reveals that there are 192 units on hand. Using the average cost method, the amount allocated to the ending inventory on June 30 is $1345. $1632. $1872. $1728.