bunker Company- perth Division is a new state of the art production facility that manufactures landind gear for airplaines. the ending September 30 th work in process is comprised of labor and overhead and is approximately 60% complete. all materials are assumed to be 100 % complete. total materials costs during the period totaled $ 910,000. instrutions: As the new plant accountant, you are asked to complete the production cost report which appears as follow: