A private bus company attracted customers and increased profits by increasing frequency, reducing fares, opening new lines, etc. In order to continue this business direction, the company decided to replace old cars with new buses, including double deck bus. which is the least likely reason for the company to make this plan. ['Passenger traffic will increase in the area where the company operates.', 'The investment cost of replacing the car will be compensated in the expected profit.', "The new car is enough to guarantee the company's expected profit in terms of quality and efficiency.", 'Driving a new car will be no more complicated and difficult than driving an old car.']