Help me with this, I think i got this completely wrong but I'm not sure, I just need the ending inv. and CGS for weighted average cost. Thanks.

Consider the following information for Maynor Company, which uses a perpetual inventory system Transaction Units Unit Cost Total Cost $68 $1,224 January 1 Beginning Inventory 18 2,072 March 28 Purchase 28 74 August 22 Purchase 36 78 2,808 3,444 October 14 Purchase 41 123 9,548 Goods Available for Sale The company sold 41 units on May 1 and 36 units on October 28 Required: Calculate the company's ending inventory and cost of goods sold using the each of following inventory costing methods