A five-year project requires an investment of -127 and has the following cash flows in years 1 through 5, respectively (all cash flows in dollars): 49, 74, 36, 12, and 57. Find the difference between the Cauchy upper bound and the Cauchy lower bound. Write your answer as a percentage with two decimals; e.g., 23.55% but do not write the % sign. (Acceptable error = 0.50%)