Please help with this question and give the right solutions thank you

In 1984, it costs $4.5 to purchase a movie ticket to watch Star Wars: Return of the Jedi in a theater. In 2017, a ticket to watch Star Wars: The Last Jedi in a movie theater costs $11.5. a) What has been the annual price growth rate of movie tickets from 1984 to 2017? b) In 1984, the American median household income was $22,415. In 2017 the American median house hold income is $61,372.1 What has been the average annual growth rate of the American median house income from 1984 to 2017? c) For a typical American family, who makes median household income, are they better off or worse off in their purchasing power measured by movie tickets from 1984 to 2017