I just like playing devils advocate.
In this case your OP was to find out what ratio of a persons income was put into their car based on a one year income level.
In my case I am stating that by adding one extra math step you get an actual semi-accurate result rather than one that is light-years away from even being close.
Shame on me for not wanting to take a test in which I answer all questions correctly but only get a score of 35.