Exercise 6-4 Alternative cost flow assumptions-perpetual inventory system LO2 Sport Box sells a wide variety of sporting equipment. The following is information on the purchases and sales of their top selling hockey stick. The hockey stick sells for $130. Description Units Unit Cost Mar. 1 Beginning Inventory 30 $ 55 Mar. 3 Purchase 75 $ 60 Mar. 6 Purchase 125 $ 65 Mar. 17 Sale 70 Mar. 23 Purchase 80 $ 65 Mar. 31 Sale 170 Required: Calculate the cost of goods sold and ending inventory under the perpetual inventory system using the following methods. (Do not round your "Unit Cost" answers. Round all other intermediate and final answers to nearest whole dollar.)