The following lots of Commodity z were available for sale during the year. Beginning inventory 12 units at $50 Fint purchase 19 units at $55 Second purchase 54 units at $55 Third purchase 18 units at $57 The firm uses the periodic sitem, and there are 29 units of the commodity on hand at the end of the year. What is the ending inventory balance at the end of the year according to the LIFO method? Os 51.450 Ob. 55.641 Oc51535 Od 1831