Inventories The following information relates to Sound CDs. They are using the periodic inventory system to account for their inventory. The following information relates to the last quarter of the financial year ending 30 June 2022. All costs are net of GST. On 1 April 2022, the beginning inventory was 150 CDs with an average cost price of $40 each. A physical stocktake counted 375 CDs on hand on 30 June 2022. Required: Using the periodic system, calculate the cost of the inventory of CDs on hand at 30 June 2022 using: a) the weighted average method b) the first-in-first-out (FIFO) method