Tamarisk, Inc. Inc. had a beginning inventory of 105 units of Product RST at a cost of $10 per unit. During the year, purchases were: Tamarisk, Inc uses a periodic inventory system. Sales totaled 1,535 units. (a) Determine the cost of goods mailable 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, L.FO, and average-cost). Prove the accuracy of the cost of goods sold under the FIFO and LIFO methods, (Round per unit cost to 3 decimal places, e. . 15.647 and final answers to 0 decimal ploces, e. . 5.125. (c) Which cost flow method resuits in the lowest inventory amount for the balance sheef? The lowest cost of goods sold for the incomestatement? (1) results in the lowest imventory amount.\$ (2) results in the lowest cost of goods sold, $