Generally speaking, when writing research it is stronger to use factual evidence rather than personal bias, due to the fact that you probably aren't the most reliable source.
The answer here that offers the most prejudice is B. After many years of living with a family that sells and promotes the use of bikes, it's easy to see how one could be prejudice against the use of automobiles.
Explanation:
compound interest is the addition of interest to the principal sum of loan or deposit, or in other words, interest on interest.