Beth has recently made her last medical school loan payment. Now she wants to set aside funds at the end of each year for retirement. Right now, she has a retirement fund goal of $7 million and she wants her savings contributions to grow with inflation over time. She wants to retire in 30 years and she wants to plan for a retirement lasting 25 years. If she assumes an average portfolio return of 6.5% before retirement, a 4.5% average return after retirement, and a 2.5% average inflation rate, what is the amount of her initial contribution?

• A. $126,860.
• B. $81,040.
• C. $61,990.
• D. $76,100.
• E. $60,480.