On July 28, Speed World Cycles sold four Kazomma 900 dirt bikes to the WinsWilson Racing. The remaining four bikes remained in the inventory at Sep. 30., the end of company's fiscal year. Assume tha

On July 28, Speed World Cycles sold four Kazomma 900 dirt bikes to the WinsWilson Racing. The remaining four bikes remained in the inventory at Sep. 30., the end of company's fiscal year.   Assume that Speed world uses perpetual inventory system.          Instructions   Compute the cost of goods sold relating to the sale on July 28 and the ending inventory  of Kazommo 900 dirt bikes at September 30, using the following cost assumtions.  1. Average cost 2. FIFO 3. LIFO Show the number of unit costs of each layer comprising the cost of goods sold and the  ending inventory.