.  we are a small vitamin manufacturing company looking to develop a Production Planning, Allocation & output. objective: To be able to plan production schedule by identifying what to produce, quantity, and complete date. see attached currently using excel files sample excel files - for your review.  we are a small vitamin manufacturing company looking to develop a Production Planning, Allocation & output. objective: To be able to plan production schedule by identifying what to produce, quantity, and complete date. see attached currently using excel files sample excel files - for your review.  