What is the reason why marginal utility, marginal returns and all marginal values are plotted mid point in a graph? The only thing from Google is that it is the convention but
![Curve of Diminishing Marginal Utility which doubles as the axiomatic... | Download Scientific Diagram Curve of Diminishing Marginal Utility which doubles as the axiomatic... | Download Scientific Diagram](https://www.researchgate.net/publication/304811331/figure/fig5/AS:668377332842516@1536364982903/Curve-of-Diminishing-Marginal-Utility-which-doubles-as-the-axiomatic-Demand-Curve-Here.png)
Curve of Diminishing Marginal Utility which doubles as the axiomatic... | Download Scientific Diagram
![Why marginal benefit equals marginal cost in economics… always! - FreeEconHelp.com, Learning Economics... Solved! Why marginal benefit equals marginal cost in economics… always! - FreeEconHelp.com, Learning Economics... Solved!](https://4.bp.blogspot.com/-CFpBVgEvSxA/TpI2C8eu4lI/AAAAAAAAAPg/G_Z2HFMWCyo/s1600/marginal+benefits+and+marginal+costs.png)