Naldu's Transport Company hires buses out to schools for transport. The following table shows the cost for hiring a bus with a seating capacity of 50: Cost of hiring a 50-seater bus from Naldu's Transport Company Return distance travelled Cost of a return trip Up to and including 50 km 50 R1 300 Between 50km and 100km So R.1 700 100km and more 36 R1 700+ R15 for each km over 100km Use the Information above to answer the following questions: 3.1. Calculate the cost of a return trip if: a) The one-way distance km.