Ziad Company had a beginning inventory on January 1 of 294 units of Product 4-18-15 at a cost of $20 per unit. During the year, the following purchases were made. 1,960 units were sold. Ziad Company uses a periodic inventory system. Determine the cost of goods available for sale. The cost of goods available for sale Calculate average cost per unit. Average cost per unit Determine the ending inventory, and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average). The ending inventory The cost of goods sold Which cost flow method results in the highest inventory amount for the balance sheet, and the highest cost of goods sold for the income statement results in the highest inventory amount, $ produces the highest cost of goods sold, $