Which of the following statements is true? Any difference in the equivalent units calculated under the weighted-average and the FIFO methods is due to the units in the ending work in process inventory. When comparing the two process costing methods for the same company, equivalent units computed under the FIFO method will always be less than or equal to equivalent units computed under the weighted-average method. The equivalent units in the ending work in process inventory will be different under the FIFO and the weighted-average methods of process costing.