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 21 $ 46 Mar. 3 Purchase 66 $ 51 Mar. 6 Purchase 116 $ 56 Mar. 17 Sale 61 Mar. 23 Purchase 62 $ 56 Mar. 31 Sale 152