3) Hairr Corporation bases it predeterminded overbead rate on variable manufacture overhead cost of 89. 50 per machine hour and fived manufacturing overheald Cust of $ 947, 672 per period . Ie the denominater level of activity is. 8 900 machine - haus what would be the tredetermin overhead rate? A) $$ 9 50. 60 B ) 1$ 9. 50 18 106. 48 D) 18 115. 98 4 / Standard labor hours per unit cutput: 8,3 hours Standard labor rate : $12. 10 per hour . last month operations for product ? Actual Hours worked: 6. 100 hours Actual labor cost: 15 71, 370 Actual output . gov units What's the labor empciency variance for the month ? $ 19, 6174 $ 16 629 F # 19 ,017 F