Janice operates a career planning service for her home.  Her…

Janice operates a career planning service for her home.  Her neighbor, Troy, is a member of a heavy rock metal band and holds practice sessions in his garage from noon to four o’clock three afternoons a week.  The music can be heard the entire length of the block and bothers everyone.  Janice finds that the practices disrupt her work.  The noise from the band’s practice sessions may be considered: