An Online Music Store Charges $1 Per Song

Multiple Choice

An online music store charges $1 per song. Your VISA bill shows that you spent $300 on songs last month. This means that your

A) marginal benefits must be less than $1 per song.
B) quantity demanded was 1 dollar.
C) marginal costs must be more than $1 per song.
D) quantity demanded was 300 songs.
E) quantity demanded was 300 dollars.