do parts 1,2,3 FIFO and LIFO only

Aloha Company uses a perpetual inventory It entered into the following calender-year 2015 purchases and sales transactions. (for specific identification the May 9 sale consisted of 80 units from the May 6 purchases and 100 units from the May 25 purchase.) Compute cost of goods available for sale and the number of units available for sale. compute the number o9f units in ending inventory. Compute the cost assigned to ending inventory Compute the cost assigned to ending inventory using FIFO LIFO, weighted average and Specific identification (Round all amounts to cents.) Compute gross profit earned by the company for each of the company for the four costing methods in part 3