b) cost: () The following graph is given as an example of the cost characteristic of a variable V ii) cost REQUIRED: Prepare a graph for each of the following situations (NOTE: The shape of the graphs is more important than their detailed scaling): Rates of the factory premises for half a year costing 50,000. The company telephone account comprising of a quarterly charge of 100 and a cost per call of 0.40. Activity (i.e. output or usage) A quantity discount agreement: 5% discount when the monthly order exceeds 2,000 10% discount when the monthly order exceeds 5,000 20% discount when the monthly order exceeds 10,000 iv) A car hire agreement whereby there is: A minimum weekly charge of 50 A charge per mile of 0.10 A maximum weekly charge of 100