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. 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 onswers to neorest whole dollor.)