Zee adds direct materials when the process is 70% complete. If Zee had 500 units, 60% completed, in process at the beginning of the period, 6,000 units were completed and transferred during the period, and 1,100 units were 30% completed at the end of the period, what was the number of whole (physical) units using FIFO? a. 6,600 b. 5,880 C. 6,000 d. 7,100 Select one: a. D b. B. c. C d. A