Stephen invested $19,500 20 years ago. For the first period of 7 years, Stephen received an interest rate of 37-5.1%. For the second period, the interest rate was 112-7.8%. Calculate the final value of Stephen's investment. You can be given partial points for a) Doing the 5 required steps for your timeline b) Showing your calculations for each steps Answer: X (75.893.26)