Which of the Following Is True Regarding the Amount of Time

Which of the following is true regarding the amount of time business writers should ideally spend on each part of the writing process?

A) They should spend an equal amount of time on each of the three stages.
B) They should spend an equal amount of time on drafting and planning and skip revising.
C) They should spend most of their time on drafting and revising and skip planning.
D) They should spend most of their time on planning and less time on drafting and revising.
E) They should spend most of their time on revising and less time on planning and drafting.