D Question 18 2.5 pts When the costs of inventory purchases by a company are falling but sales prices to customers of that company remain constant, O LIFO will result in higher gross margin, higher net income and a higher ending inventory valuation than will FIFO. LIFO will result in lower gross margin, lower net income and a lower ending inventory valuation than will FIFO. LIFO will result in higher net income and a higher ending inventory valuation than will FIFO, but gross margin will be the same under both FIFO and LIFO, LIFO will result in higher gross margin, higher net income and a lower ending inventory valuation than will FIFO