I've never used AS400 before, but I am proficient in Inventory management using Oracle. I am a fast learner, and a lot of companies use different inventory management systems, so if you go somewhere else, most likely going to have to learn a new inventory management system... AS400 is basically MSDOS
I provided an example that described the situation observed, my analysis and the results. Results given were immediate and long term results. As well, I provided the other changes made that were a result from the resolution.