1. Assume that you contribute $400 per month to a retirement plan for 25 years. Then you are able to increase the contribution to $800 per month for another 25 years. Given a 9.0 percent interest rate, what is the value of your retirement plan after the 50 years?
2. You deposit $1,000 into Account A and $750 into Account B. Account A earns an effective annual interest rate of 5%. Account B earns interest at i ^(4) . Ten years later, the two accounts have the same accumulated value. Find i ^(4) . (Express as a percentage, to two decimal places.)