can someone help me asap please! thank you!!

Mountain Springs Water Company has two departments, Purifying and Bottling. The Bottling Department had 3,870 liters in beginning work in process inventory (30% complete). During the period, 63,690 liters were completed. The ending work in process was 6,230 liters (70% completed). All inventories are costed by the first-in, first-out method. What is the total equivalent units for direct materials (using the FIFO method) if materials were added at the beginning of the process? equivalent units for materials