Lily Company had a beginning inventory on January 1 of 190 units of Product 4-18-15 at a cost of $20 per unit. During the year, purchases were as follows? Lily Company uses a periodic inventory system. Sales totaled 1,120 units. (a) Determine the cost of goods available for sale. The cost of goods available for sale Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). (Round answers to 0 decimal places, eg. 1,250.) Calculate average cost per unit. (Round answer to 3 decimal places, es. 1.250.) Average cost per unit