Susan invests Z at the end of each year for seven years at an effective annual interest rate of 5%. the interest credited at the end of each year is reinvested at an annual of 6%. The accumulated value at the end of 7 years is X. Lori invests Z at the end of each year for fourteen years at an effective annual interest rate of 2.5%. the interest credited at the end of each year is reinvested at an annual of 3%. The accumulated value at the end of 14 years is Y. Find XY Susan invests Z at the end of each year for seven years at an effective annual interest rate of 5%. the interest credited at the end of each year is reinvested at an annual of 6%. The accumulated value at the end of 7 years is X. Lori invests Z at the end of each year for fourteen years at an effective annual interest rate of 2.5%. the interest credited at the end of each year is reinvested at an annual of 3%. The accumulated value at the end of 14 years is Y. Find XY