Raja runs a fleet of taxis and the following information is available from the rewards maintained by Rim.

1. Number of taxis

10

2. Cost of each taxi

Rs 20,000

3. Salary of manager

Rs 600 p.m.

4. Salary of accountant

Rs 500 p.m.

5. Salary of cleaner

Rs 200 p.m.

6. Salary of mechanics

Rs 400 p.m.

7. Garage rent

600 p.m.

8. Insurance premium

5% p.a.

9. Annual tax

Rs 600 per taxi

10. Driver’s salary

Rs 200 p.m. per taxi

11. Annual repairs

Rs 1,000 per taxi

Total life of a taxi is about 2,00,000 km. A taxi runs in all 3,000 km in a month at which 30% of it runs empty. Petrol consumption is one litre for 10 km @ Rs 1.80 per litre. Old and other sundries are Rs 5 per 100 km.

Calculate the cost of running a taxi per km.