Compute the Ending Inventory and Cost of Goods Sold using the perpetual weighted average method for the Starling Ltd. The beginning inventory for 2018 was 75 units at a cost of $80 each. Transactions during the year were: MID 1 9 Quarter 1 purchases Quarter 1 sales Quarter 2 purchases Quarter 2 sales Quarter 3 purchases 65 units at $95 each 80 units 70 units at $100 each 90 units 75 units at $105 each Fin Tin