Initial Postings:Read and reflect on the assigned readings for the week. Then post what you thought was the most important concept(s), method(s), term(s), and/or any other thing that you felt was worthy of your understanding in each assigned textbook chapter.Your initial post should be based upon the assigned reading for the week, so the textbook should be a source listed in your reference section and cited within the body of the text. Other sources are not required but feel free to use them if they aid in your discussion.Also, provide a graduate-level response to each of the following questions:American businesses have often been criticized for short-term thinking that places too much emphasis on payback period and ROR. When Honda started making cars in the early 1970s, for example, the chief executive officer stated that the firm would be “willing to accept an ROR no greater than 2% or 3% for as long as it took to be recognized as the best car maker in the world.” In light of the success of many Japanese firms, is the criticism of American business justified?Most countries have a progressive income tax system whereby each dollar earned in incrementally higher tax brackets is taxed at an increasingly higher rate. Do you think that a flat tax system would be more fair? How about a proportional tax system? Explain your answer.