It is considered a luxury, not a neccessity. The young girl who obtains the umbrella feels that it is a beautiful piece and that it will make her feel special and fit in.
The white umbrella symbolizes the music teacher. The reason why the narrator threw it down the sewer is because on the way back home they had a car accident and her mom's eyes were close and she...
the girl through it down the sewage because when her piano teacher had given her it she had said "i wish you were my mother". When they had a car accident and thought her real mother was dead (which...