7. Beth's Book Company uses a periodic inventory system and issues financial statements every month. The company began business operations in June and made the following four inventory purchases: June 1 June 10 June 15 June 28 150 units at $5.20/unit 200 units at $5.85/unit 200 units at $6.30/unit 150 units at $6.60/unit Total Cost $780 1,170 1,260 990 $4,200 A physical count of merchandise inventory on June 30 revealed that there were 210 units on hand. Using the FIFO inventory method, the amount allocated to ending inventory for June was a. $1,092 b. $1,131 c. $1,368 d. $1,386