To Reconcile the Number of Physical Units Using the Weighted

To reconcile the number of physical units using the weighted average method of process costing,one must determine whether the units were

A) in process at the beginning of the period or were completed at the beginning of the period.
B) in process at the beginning of the current period or in process at the beginning of the previous period.
C) in process at the beginning of the period or were sold at the beginning of the period.
D) in process at the beginning of the period or were started during the perioD.One must add the number of units that were on hand at the beginning of the period to the units that were started during the current period.