The following information relates to the inventory of a bookseller in the records of ABC Books Ltd. Using a perpetual system and the Moving Average method, determine the cost of the year-end inventory and the cost of sales. (Ignore GST) Units Price Jul-01 Beginning Inventory 20 15 Aug. 14 Purchased 50 14 Sept. 25 Sold 40 ? Mar-03 Purchased 45 15 Apr-13 Sold 60 ? Note: Complete the format made available and then show the total cost of sales and cost of closing inventory separately at the end of the question.