Hi $,$

i have checked this question in the tool before and i have been told that the right answer is E which is $$DFSS$$ however i have been marked as incorrect in the my academy study $.$ appreciate if an expert can check this for me please and let me know what is the correct answer?

Q$24$:$-$ A Green Belt has approached you for advice. Her team are concerned over the amount of variance it takes to respond to clients' billing queries. The team think it is because they can never find the necessary information without searching. The team want to do something about this but are unsure how to proceed.

Which one of the following would you recommend for the team to attempt first?

Select one:

A$)$ SMED

B$)$ Poka Yoke

C$)5$S

D$)3$C

E$)$ DFSS