The Pins Shop shows the following data related to an item of inventory. SHOW ALL COMPUTATION FOR FULL CREDIT! Inventory, January 1 100 units @ $5.00 Purchases, January 9 300 units @ $5.40 Purchases, January 19 70 units @ $6.00 Physical Count of Ending Inventory: 135 Units a. Using the periodic system, what value should be assigned to the ending inventory AND cost of goods sold using FIFO? b. Using the periodic system, what value should be assigned to the ending inventory AND cost of goods sold using LIFO