The budgeted working conditions of a cost Centre are as follows:

Normal working per week 

 42 hours 

 No. of machines 

14

 Normal weekly loss of hours on 

 

 maintenance etc. 

 5 hours per machine 

 No. of weeks worked per year 

48

 Estimated annual overheads 

2,48,640

 Estimated direct wage rate

 8 per hour 

Actual results in respect of a week period are:

 

Wages incurred

18,000

Overheads incurred

20,400

Machine hours produced

2,000

You are required to calculate:

(i) The overhead rate per machine hour; and

(ii) The amount of under or over absorption of wages and overheads.