Another important law in economics is the “law of marginal returns or the law of increasing costs". Discuss in terms of your study in this course, how might you know that you are at a point of diminishing returns, or where more study will not benefit you

 Another important law in economics is the “law of marginal returns or the law of increasing costs". Discuss in terms of your study in this course, how might you know that you are at a point of diminishing returns, or where more study will not benefit you like it did before?