i need help with A3

Speed World Cycles sells high-performance motorcycles and motocross racers. One of Speed World's most popular models is the Kazomma 900 dirt bike. During the current year, Speed World Cycles purchased eight of these bikes at the following costs. On July 28, Speed World Cycles sold four Kazomma 900 dirt bikes to the Vince Wilson racing team. The remaining four bikes remained in inventory at September 30 , the end of Speed World's fiscal year. Assume that Speed Worid Cycles uses a periodic inventory system. Required: a. Compute the cost of goods sold relating to the sale on July 28 and the ending inventory of Kazomma 900 dirt bikes at Septem 30 . using the following cost flow assumptions. 1. Average cost: 2 FiFO. ompute the cost of goods sold relating to the sale on July 28 and the ending inventory of xarzomma 900 dirt bikes at eptember 30 , using Average-cost method. Compute the cost of goods sold relating to the sale on July 28 and the ending lnventory of karcinaina sho int bikes it September 30 , using First-in, first-out (FIFO) method. Compute the cost of goods sold relating to the sale on July 28 and the ending inventory of Karomma 900 dirt bikms at September 30 , using Last-in, first-out (LIFO) method