Answer:
Option A is wrong because it compares the average price to both cars and trucks. This makes this option wrong.
Option B is the preferred option because of the use of "that" which means the average price, making the comparison to be appropriate.
Option C uses "below", making the sentence redundant and hence its eliminated.
Option D is wrong because it compares models to the company itself.
Option E also compares and/or contrasts cars and trucks with the company itself, hence this option is also wrong.
Explanation: