The following inventory transactions took place for Sheridan Ltd. for the year ended December 31, 2020: Cost/ Selling Price Date Event Quantity Jan 1 opening inventory 19,500 $46.50 Jan 5 sale 6,600 73.80 Feb 15 purchase 34,000 44.85 Mar 10 purchase 9,400 50.00 May 20 sale 40,800 73.80 Aug 22 purchase 13,800 41.55 Sep 12 sale 18,200 73.80 Nov 24 purchase 9,400 47.25 Dec 5 sale 15,800 73.80 Calculate the ending inventory balance for Sheridan Ltd., assuming the company uses a periodic inventory system and the weighted average cost formula. Also calculate the per-unit cost of the last item sold. (Round weighted average cost and unit costs of next unit to be sold to 2 decimal places, e.g. 52.75 and ending inventory to 0 decimal places, e.g. 5,275.) Ending inventory $ Unit cost of the last item sold $