PROBLEM #5 (16 points) Shown below is the activity for one of the products of Tampa Office Equipment: January 1 balance, 550 units @ $60 per unit Purchases: January 10: 450 units @ $65 per unit January 20 1,100 units @ $57 per unit Sales: January 12: 950 units January 28: 800 units Required: Compute the January 31 ending inventory and cost of goods sold (COGS) for January, assuming Tampa uses: 1) Periodic average cost 2) Periodic LIFO 3) Perpetual FIFO 4) Perpetual LIFO (Do not round intermediate calculations. Round your final answers to nearest whole dollar amount.)