Exercise 6-4 Alternative cost flow assumptions-perpetual inventory system L02 excel 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. Mar. 1 Description Beginning Inventory Units Unit Cost 5 $30 Mar. 31 Purchase 50 $35 Mar. 6 Purchase 100 $40 Mar. 17) Sale 45 Mar. 23. Purchase 30 $40 Mar. 31 Sale 120 Required Calculate the cost of goods sold and ending inventory under the perpetual inventory system using 1. FIFO 2. Moving weighted average. Round all unit costs to two decimal places and round all other numbers to the nearest dollar