Problem 1. (Discussion Question) As stated in the text book (page 15, in this 1993 edition), regarding industrial and systems engineering, "Some of the most exciting and productive years for our profession are just ahead. The opportunities for service to humankind have never been greater". Provide 5 examples of products or services, with brief explanations, encountered in our daily life which you consider them as such opportunities in the period from 1990 to present. You may use examples that the identified products or services appeared earlier than 1990 while they have been significantly transformed or improved since then. Problem 2. (Discussion Question) As stated in the text book (page 37, section 2.7.1 Definitions): A system may be defined as a set of components which are related by some form of interaction, and which act together to achieve some objective or purpose...." Consider a small scale grid-tied solar power system with battery backup (You may search the internet for more specific information on such systems). Elaborate the definition of a system" using the considered solar power system as an example. You may follow the format of the discussion presented in this Section 2.7.1 of the textbook. Problem 3. (Discussion Question) Identify (with brief discussions) the single most significant challenge and the single best opportunity that a midsized manufacturing company (with 100 to 150 employees) will face in the current Covid-19 pandemic situation. You may make further assumptions about the company