Hemming Company teported the following current-yeat purchases and sales for its only product. femming uses a periodic inventory system. a) Determine the costs assigned to ending irwentory and to cost of goods sold using FFO b) Determine the costs assigned to ending inventory and to cost of goods sold trsing tifO c) Compute the gross profit for each method Required information a) Perivdief FFO b) Periodic I If 0