WAJA Ltd uses the periodic inventory method and had the following inventory information available: Date Detail Units Unit Cost 4500 90 Inventory Purchase 94 1/2/2020 5/2/2020 14/2/2020 19/2/2020 6000 2500 1300 Purchase Purchase 99 98 A physical count of inventory on 28 February 2020 revealed that there were 1500 units on hand. Ignore GST. Required: Answer the following independent questions. Round all answers to nearest $. 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