Discussion Board: Marginal Thinking 3 3 unread replies. 10 10 replies. After listening to the Podcast: The Marginal Principle - Just one More?, located in the Videos and Outside Readings section of this Module, answer the following questions. The Cost-Benefit Principle was used to analyze Samir's decision to hire another worker, along with a host of either- or questions about consumers choices. What is your benefit of buying a cup of coffee right now? Why (explain your reasoning of why the coffee is worth that to you, right now)? If the cost of the cup of coffee was $3.00 would you buy the cup of coffee? Explain your decision using the cost-benefit principle