Sarah Is Writing a Memo to Her Manager Asking to Change

Sarah is writing a memo to her manager asking to change an established procedure and has asked for your advice. The best advice that you can give Sarah is to tell Sarah that

A) her supervisor should already be aware of the pros of changing the procedure; therefore, providing evidence is not necessary.
B) she should focus solely on her own needs and how she'll benefit from the change.
C) she should avoid using words like suggest and recommend because they'll make her look weak.
D) she should focus on how much money the procedure change will save the company.