2) Shown below is the activity for one of the products of Denver Inc.: January 1 balance, 80 units @ $50 $4,000 Purchases: Sales: January 18: 40 units @ $51 January 28: 40 units @ $52 January 12: 30 units January 31: 45 units Compute the following costs: 1) Cost of goods sold under weighted average cost (periodic). 2) Cost of ending inventory under FIFO (periodic). 3) Cost of goods sold under LIFO (perpetual). 4) Cost of goods sold under LIFO (periodic) 5) Cost of ending inventory under moving average (perpetual)