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Using a perpetual inventory system, which of the following statements are correct? The cost of goods sold is the same under a perpetual or periodic inventory system if the FIFO method is used. The moving weighted average perpetual method requires that a new average unit cost is determined after each purchase. The LIFO method will result in the lowest inventory valuation only if the periodic system is used. The LIFO method will result in the lowest inventory valuation regardless of the inventory system used. A LIFO liquidation is less likely if a perpetual inventory system is used. The cost of goods sold is the same under a perpetual or periodic inventory system if the LiFO method is used