Answer: All of the above
Step-by-step explanation:
When a tire isn't inflated properly, this will bring about an uneven wear of the tire and can result in it getting damaged quicker. This will eventually leads to a replacement for the tire as there'll be need for it to be changed.
Likewise, an improper inflated tire can result in an inefficient gas mileage and can also lead to blown out tires and shaking in the steering wheel. Therefore, based on the explanation above, the correct answer is "All of the above".