User talk:2409:4064:2E1F:59AE:884B:C901:39BD:AC13

August 2019
Hello, I'm MarginalCost. An edit that you recently made to Value chain seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! MarginalCost (talk) 13:25, 14 August 2019 (UTC)