Using FIFo, the cost of goods sold for the sale of 23 units on July 31 and the inventory balance at July 31 is _____ Using LIFO, the cost of goods sold for the sale of 23 units on July 31 and the inventory balance at July 31 are _____ Using weighted average, the cost of goods sold for the sale of 23 units on July 31 and the inventory balance at July 31 are