In the cost reconciliation report under the first-in, first-out method, the costs to be accounted for equals the cost of ending work in process inventory plus the costs added during the period.

In the cost reconciliation report under the first-in, first-out (FIFO) method, the costs to be accounted for equal the cost of beginning work in process inventory plus the costs added during the period. The cost of ending work in process inventory is part of the costs accounted for, not added to the costs added during the period.