Sawsan Serhan Company has the following inventory, purchases, and sales data for the month of March. Beginning Inventory: March 1 200units@$4.00 $800 Purchases: March 10 500 units@ $4.50 $2250 March 20 400units@ $4.75 $1900 March30 300units@ $5.00 $1500 Sales: March 15 500units March25 400 units Instructions: Under a Inventory System, Determine the Ending inventory on hand at March31 and the cost of goods soldusing: a- FIFO b-LIFO C- Average