Excel, show the formulas you used to solve the problems. use Word, all solutions and comments/interpretations should be typed in Word. use Word for the questions that require explanation. Suppose an investment pays $41,950 per year for the first ten years, $52,790 for the next ten years, and $36,470 for the following ten years (all payments are at the end of each year). If the appropriate annual discount rate is 7.51 percent, what is the value of this investment today