AWAJ Ltd uses the periodic inventory method and had the following inventory information available: Date Detail Units Unit Cost Inventory 4500 90 Purchase 6000 92 1/2/2020 5/2/2020 14/2/2020 19/2/2020 Purchase 2500 96 Purchase 3300 98 A physical count of inventory on 28 February 2020 revealed that there were 4000 units on hand. Ignore GST. Required: Answer the following independent questions. Round all answers to nearest S. 1. Assume that the company uses the FIFO method. The value of the ending inventory at 28 February 2020 is $ 2. Assume that the company uses the average cost method. The value of the ending inventory on 28 February 2020 is $ 3. Assume that the company uses the LIFO method. The value of the cost of sales on 28 February 2020 is