No, grandparents is a common noun, therefore you don't capitalize it. It would be different if you had the names of the grandparents. Like if your grandma is named Martha. You would have to capitalize their name since it is a proper noun
Answer:
A) $1.87
Della soon after sold her hair to a haridresser for $20 to buy jim a better gift.
Answer:
I think it is propoganda because the statement is doing more than forming an opinion. By saying "If purchased, will serve all of your digital needs" tells me that this statement is promoting Itablets. But I am not 100% sure.