1.Your contribution to the discussion requires 2-3 paragraphs, use of proper grammar, and citing of sources. Participation in the weekly discussion provides the opportunity to learn and apply new information in manageable amounts of timely contributions, and to receive useful feedback.Financial ratio analysis is conducted by three main groups of analysts: credit analysts, stock analysts, and managers. Please explain the primary emphasis of each group and how that would impact the ratios on which they focus. Name some specific financial ratios that each group should focus on (explain).Also, explain why the inventory turnover ratio would be more important for someone analyzing a grocery store chain than an insurance company.2.Your contribution to the discussion requires 2-3 paragraphs, use of proper grammar, and citing of sources. Participation in the weekly discussion provides the opportunity to learn and apply new information in manageable amounts of timely contributions, and to receive useful feedback.Referencing textbook readings, lecture material, and current business resources define an opportunity cost. Explain how this concept is used in a time value of money analysis.Also, discuss how an annuity compares to an uneven cash flow stream. Provide an example of an annuity and an example of an uneven cash flow stream. Discuss how it’s possible to have an annuity inside of an uneven cash flow stream.