The accounting records of Wildhorse Co. show the following data. Beginning inventory 3,000 units at $4. Purchases 9,500 units at $6 Sales 9,900 units at $9 (a) Your answer has been saved. See score details after the due date. Calculate average unit cost. (Round answer to 3 decimal places, eg 5.125) Average unit cost 5.52 per unit Attempts: 1 of1 used (b) Determine cost of goods sold during the period under a periodic inventory system using the FIFO method, the LIFO method, and the average-cost method. (Round answers to O decimal places, eg 125) FIFO LIFO Average-cost Cost of goods sold