Ehrhart Appliance uses a perpetual inventory system. For its flat screen television sets, the January 1 inventory was 4 sets at $640 each. On January 10. Ehrhart purchased 6 units at $700 each. The company sold 3 units on January 8 and 5 units on January 15. Compute the ending inventory under FIFO. Compute the ending inventory under LIFO. Compute the ending inventory under moving-average cost