The correct answer is B.
By analizing his education and professional background, we can assess how well informed on the subject the author of the book is.
If we conclude that the author has done enough research and is, indeed, proficient on the subject, we can conclude that the book is valid as a reliable source of information.
Answer:
B. let readers know what happened next
Explanation:
This is the correct answer
My favorite Xmas movie is 45 wishes before Christmas I think
My typical dinner is just anything because we don't celebrate Christmas all the time
And for Christmas I want a sketch book :D
They might lose market, because people would go for the cheaper products
Also it could be assumed the products might be of higher quality.