Part B $(30$ points$)$

Explain what you have learned about investing, specifically rates, compounding, and length of contracts. Write your solution in a way that makes it easy for someone interested in investing money to understand your results. Be sure to clearly explain your reasoning at each stage, and conclude with recommendations about interest rates, compounding periods, and length of contracts. Look through bank advertisements, and locate current interest rates for each type of CD and savings account. Use this information to explain how your results can transfer to these different situations.