A machine was purchased on 01 January 1998. The following relate to the machine.

Cost of the machine

Rs 40,000

Estimated life

15 years of 1,800 hours per year

Estimated scrap value

Rs 2,500

Estimated repairs for whole life

Rs 10,500

Power consumed per hour 15 units at

0.07 paise per unit

Insurance

Rs 75 per month

Consumable stores

Rs 25 per month

The machine is installed in a department whose monthly rent is Rs 500, and this machine occupies one fifth of the area. Total monthly lighting cost is Rs 40 for 10 light points, of which three relate to the machine. A supervisor with a monthly salary of Rs 500 spend one fourth of his time for this machine. Calculate the MHR.