Perpetuity X has level payments of $165 at the end of each year. Perpetuity Y also has end-of-year payments but they begin at $22 and increase by $22 each year. Find the rate (\%) of interest which will make the difference in present values between these two perpetuities a maximum. (Round your answer to hundredth of a percent.) Question 15 0/1pts Bob deposits $13,000 at the beginning of each year for six years in a fund earning an effective annual rate of 7.7%. The interest from this fund can only be reinvested at an effective annual rate of 3%. Find the accumulated value of Bob's investments at the end of thirteen years. (Round your answer to the nearest cent.)