I have been working this question for a while. could you please help me solve it or check my answers.

My answers are:

12a

you will need: 1,086,585,27 in the account in 35 years to fund the account fully.

you will need to save 6,999.42 per year.

12b

you will need to save 2999.78 per year

Exercise #12A: You want to retire in 35 years. To fund the retirement, you deposit $25,000 into an account now, and you deposit $20,000 five years from now. You also plan to save an equal amount each year between now and 35 years from now. Once you retire, you want to withdraw $85,000 at the end of each year for 25 years. r=6%. How much money must be in your account at the time of retirement to cover your retirement needs? You will need Sin the account in 35 years to cover your needs. You need to save at the end of each year for the next 35 years 5 ..................................... per year. Exercise #128: How does your answer change is you earn 8% during your working years over the next 35 years, but only 6% once you retire You need to save at the end of each year for the next 35 years? 5 ..................................... per year