Math
posted by Tina .
You are 40 years old and have a salary of $50,000 per year. When you retire at age 66, you want to have a salary that has the same buying power as the one you currently have. If you estimate that the inflation rate will be 1.25% per year, what will your final salary need to be?

so you want
50000(1.0125)^26
= .....