Wildhorse Company Inc. had a beginning inventory of 110 units of Product RST at a cost of $7 per unit. During the year, purchases were: Wildhorse Company uses a periodic inventory system. Sales totaled 1,540 units. 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. 150.)