To Accommodate the Changes in the Book Selling Market,publishers Changed

To accommodate the changes in the book selling market,publishers changed their pricing approach so that

A) rebates could be paid to the bookstores.
B) readers would pay more so that distributors would continue to profit.
C) distributors would no longer make a profit on every e-book sold.
D) distributors would get a commission on every e-book sold.
E) eventually e-books would be free to distribute.