For this fifth paper, please provide at least a two$-$page analysis of the fifth step of the supply chain, Supply Chain Sustainability. Based on your other four papers, determine how sustainability works for your product in the supply chain. Innovation, Recycling, Reusing, Repurposing, Replenishing, and any other R$\text{'}$s you can think of$.$ Make sure you explain how the Supply chain connects this step with a continued supply chain process, or how it circles back to an earlier step. Identify if there are any challenges associated with this step in the process, any advantages that the companies may have, and how much competition is at this level of the production process within the supply chain. Do not forget to include new innovations that are being utilized or tested, and emphasize the sustainability efforts to preserve the resource, and$/$or any recycling, reusing, or repurposing that may be involved with this step. Alternatively, refunding and returns may be part of the restocking and reselling process, do not forget how businesses deal with this aspect of sustainability.