2.Gillman Company maintains a periodic inventory system Gillman reported the following events during the month of May: Date Event Number of Units Unit Cost May 1 Beginning Inv. 2,000 $150 10 Purchase 1,500 153 18 Sale 1,650 23 Purchase 1,450 157 30 Sale 900 a. Compute the number of units in ending inventory b.Compute the value of ending inventory assuming a FIFO cost flow assumption c. Compute the value of ending inventory assuming a LIFO cost flow assumption