Which one of the following correctly describes the dividend yield?
(A) Next year's annual dividend divided by this year's annual dividend.
(B) The increase in next year's dividend over this year's dividend divided by this year's dividend.
(C) This year's annual dividend divided by next year's expected stock price.
(D) Next year's annual dividend divided by today's stock price.
(E) This year's annual dividend divided by today's stock price.