Consider the proposition that HRM adds value to the firm. Also, examine the topic of "Marginal Utility Analysis" and how it is used to make a case about the value of HRM. How do HRM practices and systems add value to a firm? What is the basis for an argument for or against this proposition? Present your views in 200 words or more in your discussion post. Use at least one scholarly source in your response to support your ideas. Respond to at least two of your classmates' posts. Remember to properly cite your sources.