Answer:
Monthly factory overhead flexible budget
9000 HRS 10000 HRS 11000 HRS
Variable Overhead 40,500 45,000 49,500
Fixed Overheads 60,000 60,000 60,000
Total Overhead Costs 100,000 105,000 109,500
Explanation:
Fixed Costs do not change with the level of activity and thus remain the same for activity of 9,000 : 10,000 and 11,000 hours whilst variable overheads vary with the level of activity.