You plan to withdraw $80,000 per year for 30 years after you retire at age 65. You are age 25 now and want to make one deposit at end of each year for 40 years then stop depositing after 40 deposits. To accumulate enough funds to afford the 30 withdrawals, you are presented with 2 options. First is an investment with 8% annual return and second one with 6% annual return. What is the difference between the annual deposit amount of the two options?

a. 2,698 b. 3,156 c. 3,639 d. 4,012