please answer both questions and show work! thank you!

1. You are turning 25 today, and you are planning to save $10,000 per year for retirement, with the first deposit to be made one year from today. You will invest in a mutual fund that's expected to provide a return of 7.5% per year. You plan to retire 40 years from today, when you are 65 , and you expect to live for 25 years after retirement, to age 90 . Under these assumptions, how much can you spend each year after you retire? You first withdrawal will be made at the end of your first retirement year. 2. Timelines Per