DSS LetsTransport Logistics is an inner-city goods delivery company, operating in 5 metropolitan cities. They use software to predict future petrol prices, which allows them to budget the operating costs of the vehicles. The software predicts a 25% increase in petrol prices, every year for the next 3 years. These costs are predicted to have a major negative impact on the company's bottom line. To combat this, the software suggests getting rid of old and inefficient vehicles in its fleet and purchase CNG vehicles. What kind of analysis could have resulted in this kind of decision