Bramble Company uses a periodic inventory system. Sales totaled 1.260 units. (a) Determine the cost of goods available for sale. The cost of goods available for sale Determine the ending imventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). (For calculation purposes, round average cost to 2 decimal places, eg. 5.25 . Round answers to 0 decimal places, e.s. 125. )