The following figures are extracted from the books of a firm for the year 1994.

Passenger buses

5 Numbers

Bus costing

Rs 50,000; Rs 1,20,000; Rs 45,000 Rs 55,000 and Rs 80,000

Depreciation 20% of the cost per annum

Annual repair and spare parts, etc. 80% of depreciation

Wages of 10 drivers

Rs 600 each per month

Wages of 20 cleaners

Rs 300 each per month

Interest

8% on capital

Rent of 6 garages

Rs 100 each per month

Director fees

Rs 900 per month

Office establishment

Rs 6,000 per month

License and taxes

Rs 4,000 half yearly

Realization of sale of old tyros and tubes: Rs 3,600 half yearly. 900 passengers were carried over 1,600 km during the year. Work out in the appropriate cost sheet, the unit cost per passenger kilometers.