Department R had 4,539 units in work in process that were 63% completed as to labor and overhead at the beginning of the period, 38,908 units of direct materials were added during the period, 40,526 units were completed during the period, and 2,921 units were 35% completed as to labor and overhead at the end of the period. All materials are added at the beginning of the process. The first-in, first-out method is used to cost inventories. What was the number of equivalent units of production for conversion costs for the period?

Select the correct answer.

47,986

43,228

40,526

38,689