the following information is available: Allocated $13122 Apportioned $7920 Reapportioned from service cost centres $2988 216000 units of product are manufactured at a rate of 120 units per machine hour.
Total fixed production cost=13122+7920+2988=24030 120 units takes 1 hour, so we are having 216000. so, it takes 1800 hours, cuz, 216000/120. so now u have got hours and total production overhead. 24030/1800=13.35$/machine hour is the OAR per machine hour here.