Answer: Useful, because religions affect attitudes and beliefs across cultures.
Explanation:
The knowledge of religions and their associated practices is important for marketing and sales of products at the national and international levels. As if a person belongs to different country or religion will require to practice own religion or celebrate own festival. This is beneficial for the people in the market selling those religion oriented products and services.
Thus this can be considered that the religious believes may affect the attitudes and believes of people of different cultures as well.
I believe that the answer is a
People's opinions, tastes, and values differ. These are oall influence on how they see the good and bad in all the outcames that they are faced with. People face different situations like wealth and income or age and gender, that affect how they calculate the worth of things.