The following data pertains to Rubesh Printing, Inc's inventory: Date Beginning Inventory 1st purchase Quantity Unit Cost 50.00 7.00 350.00 12.00 During the period, Rubesh sold 30 units of this product for $15 each. Using the average cost, FIFO and LIFO methods of inventory compute (1) the cost of goods sold, and (2) the cost of the ending inventory for each of the three methods.