Ahmed Company uses a periodic inventory system. Details for the inventory account for the month of January 2021 are as follows: Units Per unit price Total Balance, 1/1/21 400 $5.00 $2.000 Purchase, 1/15/21 200 5.30 1,060 Purchase, 1/28/21 200 5.50 1,100 An end of the month (1/31/21) inventory showed that 240 units were on hand. Instructions Calculate: (1) Value of ending inventory (2) Cost of goods sold Under the follwoing methods: (a) FIFO (b) LIFO (C) Average Cost