4. Zachary has purchased an investment that he expects to produce income the end of the first year and $4,000 at the end of the second year. 11 rate of return compounded annually, what is the maximum amount that still earn the required rate of return? What is internal rate of return? pects to produce income of $3,000 at the second year. If he requires an 8% the maximum amount that he can pay and 5. An investment produced annual rates of return of 7%. -14%, 20% and 4% respectively over the past four years. What is the standard deviation of these returns? 6. David has purchased an investment that he expects to produce an annual cash flow of $3,000 for five years. He requires an 8% rate of return compounded annually. What is the maximum amount that David can pay and still earn the required rate of return? Please list the 5 factors using the financial calculator