E6.9 (LO 2, 3) AP Dene Company uses a perpetual inventory system and reports the following inventory Apply perpetual FIFO and weighted transactions for the month of July: average. Answer questions about results. Instructions a. Calculate the cost of goods sold and ending inventory under (1) FIFO and (2) weighted average. Round the weighted average cost per unit to two decimal places. b. Which cost formula gives the higher ending inventory? Why? c. Which cost formula results in the higher cost of goods sold? Why