Final answer:
The external accident cost per mile is 3.4 cents for drivers between the ages 25 to 70, whereas it is 5.4 cents for drivers over the age of 70.
Step-by-step explanation:
The external accident cost per mile differs amongst drivers of different age groups. It is reported that the cost per mile for a driver between the ages of 25 and 70 is around 3.4 cents. This cost increases by 2 cents, to 5.4 cents, for a driver over the age of 70. To put this in perspective, if a driver over 70 drives 100 miles, they will have an external accident cost of $5.40, compared to $3.40 for a driver between 25 and 70 driving the same distance.
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