The following inventory was available for sale during the year for Chioda Tools. Chioda has 30 units on hand at the end of the year. Chioda uses the perpetual method. What is the dollar amount of inventory at the end of the year according to the first-in, first-out method? What if the last-in, last-out method is used? What if the weighted average method is used? Please calculate using the same methods under the periodic method