It is a good point brought up that the setbacks are definitely crucial to be taken into account during any product planning process. And with my experience, I have been in companies that make sure to have a six-month supply of the items required on the shelf just in case a supplier runs into issues with providing the adequate items. In addition, it gives the company (in this case the customer in simulation) enough cushion to maintain the product process still going while they find a solution of qualifying an additional vendor. In this week’s simulation, it provides the scenario that the company is providing the etched slides for its customer that is dealing with the product launch. So for this reason, it is imperative for the customer to have a plan of a secondary supplier even if they do not have any stock available yet. This is because the customer may run into the issue that the product launch is about to occur and they are still unsure of the popularity of the market after the launch and would not want to be stuck with a surplus of material.