From the following data you are required to ascertain the cost of running the motor lorry per tonne-mile.

Total tonnage carried in a week: 30 Total mileage in a week: 600 miles Details of the above are:

Miles Tons Monday 120 6 Tuesday 125 5 Wednesday 110 4 Thursday 100 5.5 Friday 80 4.5 Saturday 65 5.0 600 30 Expenses for the week are as follows:

Driver’s salary: Rs 600 p.m.

Cleaner’s salary: Rs 200 p.m.

Petrol, oil, etc.: Rs 1.00 per mile Repair and maintenance: Rs 300 p.m.

Depreciation: 4,800 p.a.

Other expenses: 500 p.m.

Assume: 4 weeks in a month.