You Have Lunch with a Friend and She Tells You

You have lunch with a friend and she tells you that her office recently implemented flex-time hours. It has been a positive change at your friend's workplace, and you think that it would be great to have flex-timing at your office too. You decide to approach your boss about this possibility.
-In terms of a logically structured argument, which of the following pieces of evidence does the least to help your argument?

A) At present, employee absenteeism is up 20%.
B) Our employee turnover rate is steadily increasing.
C) Increased absenteeism costs our company almost 15% of our payroll budget every quarter.
D) An employee survey conducted in our company revealed that the improvement most desired by our employees is a flex-time schedule.
E) These days work/life balance is important for everybody.