We Deliver operates a fleet of delivery trucks in Halifax. Analysis shows that if a truck is driven 144,000 kilometres during a year, the average operating cost is 11.8 cents ($0.118) per kilometre. If a truck is driven only 89,000 kilometres during a year, the average operating cost increases to 13.8 cents ($0.138) per kilometre. Required: 1. Using the high-low method, estimate the variable and fixed cost elements of the annual cost of truck operation (Do not round your intermediate calculations. Round the "Variable cost per kilometer" to 3 decimal places.) Kilometers Driven Total Annual Cost High level of activity Low level of activity Change 0 $ Variable cost per kilometer Fixed cost per year 2. Express the variable and fixed costs in the form Y =a + bx. (Do not round your intermediate calculations. Round the "Variable cost per kilometer" to 3 decimal places.) 3. If a truck were driven 125,800 kilometres during a year, what total cost would you expect to be incurred? (Do not round Intermediate calculations. Round the "Variable cost per kllometer" to 3 decimal places.) Total annual obat