The major thing that Ryan should be worried about is the C) high annual depreciation.
As cars are used more, they depreciate. This means that when a car is driven for more miles in a year, it depreciates more.
Ryan plans to drive about 40 miles to work and back everyday which means that in a year he would have driven thousands of miles. This will lead to a high depreciation.
In conclusion, option C is correct.
Find out more on depreciation at https://brainly.com/question/1287985.