How can I OR level the final asembly schedule of a  mixed model
production  manufacturing schedule.
What are the advantages of leveling the final assembly schedule. Using
the example below of a company that makes 4 diffrent widget models and
their monthly requirements are as follows:
Model A 400 per month
Model B 300 per month
Model C 200 per month
Model D 100 per month

Try "Factory Physics" Book.