A summary of inventory records for Duren Company reveals the following: 30 units @ $600 each 18,000 Inventory on January 1, 2016 20 units@ $860 each 17,200 Inventory purchased in 2016 $35.200 Total cost of goods available for sale in 2016 50 units During 2016, 35 units were sold at $1,200 per unit for total sales revenue of $42,000 Compute (1) cost of goods sold and (2) the inventory balance for the current period under FIFO LIFO, and weighted-average cost methods. FIFO: LIFO: WAC