Chapter 6, Problem 15Q

In October, one of the processing departments at Trinity Manufacturing had a beginning work in process inventory of $42,000 and an ending work in process inventory of $31,000. During the month, $265,000 of costs were added to production. In the department's cost reconciliation report for October, what was the cost of units transferred out of the department?

Please help me solve this general accounting question using the right accounting principles.

I need help solving this general accounting question with the proper methodology.