Harry Potter Listed below are the gross amounts (in millions of dollars) earned from box office receipts for the movie Harry Potter and the Half-Blood Prince. The movie opened on a Wednesday, and the amounts are listed in order for the first 14 days of the movie’s release.

Suggest an explanation for the fact that the three highest amounts are the first, third, and fourth values listed.

58 22 27 29 21 10 10 8 7 9 11 9 4 4