please answer all 3 questions. thank you

Hoi Chong Transport, Limited, operates a fleet of delivery trucks in Singapore. The company knows if a truck is driven 162,000 kilometers during a year, the average operating cost is 13.2 cents per kilometer if a truck is driven only 108,000 kilometers during a yeat the average operating cost increases to 16.6 cents per kilometer. Required: 1. Using the high-low method, estimate the variable operating cost per kilometer and the annual fixed operating cost associated with the fleet of trucks 2. Express the variable and fixed costs in the form Y=a+bX 3. If a truck were driven 135,000 kllometers during a year, what total operating cost would you expect to be incurred? Complete this question by entering your answers in the tabs below. Using the highlow method, estimate the variable operating cost per kilometer and the annual fixed operating cost associated with the fleet of trucks. Note: Do not round your intermediate calculations. Plound the Variable cost per kilometer to 3 decimal places