On September 1, Delta Company had 30,000 units in process, which were 30% completed. Materials are added

Question:

On September 1, Delta Company had 30,000 units in process, which were 30% completed. Materials are added at the beginning of the process. During the month 170,000 units were started and 180,000 completed. Ending work in process was 50% complete. Calculate
(a) The equivalent units of production for materials if weighted average were used
(b) The equivalent units of production for materials if FIFO were used.