Choose the INCORRECT statement$($s$)$

A$)$ The Dev team should go for a longer sprint length if frequency of priority changes is high

B$)$ Product owner decides the sprint length

C$)$ Once fixed, sprint duration should not be changed during the life cycle of the project

D$)$ Shorter sprints have the advantages of faster pay back periods and early feedback

$B$ and $D$

A$.B$ and $D$

A and $B$

$B$ and $C$