Answer:
The estimated total manufacturing overhead is closest to $550,000
Explanation:
Total manufacturing overhead = variable + fixed overhead absorbed
Fixed overhead absorbed = Overhead absorption rate × machine hour
Overhead absorption rate = Estimated overhead/Estimated machine hours
                = $440,000/50,000 machine hours
               = 8.8  per machine hour
Absorbed fixed overhead = $8.8 × 50,000= $440,000
Absorbed variable overhead= $2.20  × 50,000= $110000
Total manufacturing overhead = $440,000+ 110000 =$550,000
The estimated total manufacturing overhead is closest to $550,000