Asare Ltd operates a haulage business with three vehicles. The following estimated cost and performance data is available: Diesel average Repairs Depreciation GH50 per Drivers' salaries vehicle GH0.70 per kilometre on GH0.60 per kilometre GH1.50 per kilometre, plus week per vehicle GH300.00 per week per Supervision and general expenses GH650 per week GH8.00 per tonne Loading costs During week number 37, it is expected that all three vehicles will be used, 300 tonnes will be loaded and a total of 4,000 kilometres travelled (including return journeys) as shown in the following table: Journey Kilometres Tonnes carried (one way) (one way) 123456789 37 184 30 268 40 390 34 120 28 224 42 482 34 92 29 22 300 26 Calculate the average cost per tonne-kilometre in week 37. 105 135 2000