a) Beginning work in process Units started during the period Units completed during the period Ending work in process 10,000 units 80,000 units 76,000 units units How many units were both started and completed during this period? b) Beginning work in process Units started during the period Units completed during the period Ending work in process 500 units 102,500 units units 900 units How many units were both started and completed during this period? c) Beginning work in process Units started during the period Units completed during the period Ending work in process 1,800 units units 90,000 units 200 units How many units were both started and completed during this period? units d) Beginning work in process Units started during the period Units completed during the period Ending work in process units 567,000 units 650,000 units 20,000 units How many units were both started and completed during this period? units