User talk:177.228.96.16

May 2019
Hello, I'm MarginalCost. An edit that you recently made to Average 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) 21:43, 26 May 2019 (UTC)