**3-1:** Develop a general systems flow chart that describes the process of filling a car with gasoline. After “start” has as the first process “Arrive at Gas Station.” Immediately before “stop” have as the last process “Leave Gas Station.” (10 points)

**3-2:** Using a general systems flow chart design a system for arrivals at an emergency room of a hospital. (10 points)

**4-1:** You decide to invest $100,000 in a program that is guaranteed to grow by 2.5% for each of the next 5 years. At the end of the 5 years, how much is your investment worth? (5points)

**4-2:** What is the effective annual rate of an investment that pays 6% for 5 years, compound semiannually? (5 points)

**4-3:** What is the present value of a single cash flow of $25,000 received at the end of 10 years, if we assume a discount rate of 5% annually? With a discount rate of 7%? (10 points)