Compute machine hour rate from the following data:

Rs.

Cost of the machine

1,44,000

Installation charges

6,000

Estimated scrap value at the end

6,000

Effective working life of the machine

12,000 hours

Estimated repairs over the effective working life of the machine

12,000

Standing charges allocated to the machine per year

5,760

Power bill per year

7,200

Power consumed by the machine is 20 units per hour at a cost of 25 paise per unit.