SA Movers operates a transport business with three vehicles. The following estimated operating costs and performance data are available: Diesel Repairs Depreciation Drivers' wages Supervision costs Loading costs R2.80 per km on average R1.20 per km R2 per km plus R500 per week per vehicle R3 000 per week per vehicle RS 500 per week R60 per tonne During week 32 it is expected that all three vehicles will be used, 292 tonnes will be loaded and a total of 4000 km will be travelled, including return trips when empty. Cost and Management Accounting Trip Tonnes carried (one way) Kilometres (one way) 1 36 200 2 3 557N 30 300 40 350 150 35 200 26 410 40 6 120 29 150 24 8 120 32 9 2.000 292 25 25 Required: (a) Calculate the total variable operating costs incurred in week 32. (b) Calculate the total fixed operating costs incurred in week 32. (c) The total cost for week 32, including administrative costs, amounted to R135000. Calculate the average cost per tonne-kilometre for week 32 to the nearest cent ach decide on