1. Calculate the value of your retirement plan. you are able to increase the contribution to $530 per month for the next 25 years. Assume that you contribute $330 per month to a retirement plan for 15 years. Then you are able to increase the contribution to $530 per month for the next 25 years. Given an 8 percent interest rate. What is the value of your retirement plan after the 40 years? (Do not round intermediate calculations and round your final answer to 2 decimal places.)