During April, Dawson sold 80 units and had 20 units in ending inventory at the end of April Date April 1 Beginning inventory 1 Purchased Units 10 Costs $2/unit $3/unit Total costs $ 20 270 April 30 Goods available for sale 100 $290 If Dawson uses the LIFO inventory method, how much is inventory on the balance sheet as of April 30? O $40 O $50 558 550