Equivalent Units for a Process Costing System Using the Weighted-Average

Equivalent units for a process costing system using the weighted-average method would be equal to

A) units completed during the period and transferred out.
B) units started and completed during the period plus equivalent units in the ending work in process stock.
C) units completed during the period less equivalent units in the beginning stock, plus equivalent units in the ending work in process stock.
D) units completed during the period plus equivalent units in the ending work in process stock.