Edwards Company began operations in February 2019. Edwards accounting records provide the following data for the remainder of 2019 for one of the items the company sells:

Edwards uses a periodic inventory system. All purchases and sales were for cash.
Required:
1. Compute cost of goods sold and the cost of ending inventory using FIFO.
2. Compute cost of goods sold and the cost of ending inventory using LIFO.
3. Compute cost of goods sold and the cost of ending inventory using the average cost method?