Which of the following is NOT a principle regarding the way lean systems function?
I Identifying customer values
II Focusing on processes that create value
III Elimination of waste to create flow
IV Increasing forecast accuracy
V Producing only according to customer demand
VI Optimizing on setup costs with long production runs
VII Striving for perfection
A) VI
B) Both IV and VI
C) Both IV and V
D) Both II and IV
Please show all work and provide an explanation.