For Questions 6 through 9, do your work in Excel. Submit the Excel file to D2L. Round all answers to two decimal places. Feel free to attach an image/screenshot of your answers to 1 through 5 in this Excel document. Question 6) For each of the following, compute the future value: Question 7) For each of the following, compute the present value: Question 8) Solve for the unknown interest rate in each of the following: Question 9) Solve for the unknown number of years in cach of the following