Which of the Following Is Not a Principle Regarding the Way

Multiple Choice

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) IV
B) II and IV
C) both IV and VI
D) IV and V
E) VI