Required information [The following information applies to the questions displayed below.] Annin Laboratories uses the FIFO method to account for its work-in-process inventories. The accounting records show the following information for February: Quantity information is obtained from the manufacturing records and includes the following: Required: a. Compute the equivalent units for the materials and conversion cost calculations. b. Compute the cost per equivalent unit for direct materials and for conversion costs for February using the FIFO method