While analyzing a process you observe the following: Lead times are long due to high stock % flow is poor (1% Flow) Workload is not well balanced You only have time to implement 1 solution. Which solution do you start with to improve the overall performance. A. Implement Pull system to reduce stocks and reduce lead times B. Consider waste reduction and 5S to improve %Flow and to reduce OT C. Implement standard work D. Hire additional headcount