With unlimited combinations of market requirements, operational constraints, and changing costs for critical supply materials; deriving an optimized planning and master scheduling becomes the critical chain link for winning organizations.
Supply-chain while simple in concept; with the complications induced by sensibilities, options, operational policies, environmental constraints among-st many more my also hinder your operations & performance.
While much of your operation may have been set for a specific capacity to be profitable; Line Balancing if not conducted and constantly managed, one element out of thousands, may induce unwanted reduction in capacity and performance.
Often changing a single policy has repercussions on the entire operations. With simulation, what if analysis may be conducted immediately on your system without induced costs.