You are able to save $2,500 from year 4 through year 10 at the beginning of each

year (inclusive). You have two children who will be attending college at a cost of

$15,000 per year starting in year 28 and continuing through year 35, inclusive.

You will inherit $25,000 in year 25. When you retire in year 47, you will need

$60,000 per year for 20 years.

If you will be able to receive 3% from now through year 30 (inclusive) and 4.5%

beginning in the January of year 31 and thereafter (inclusive), how much must

you save from year 8 through year 46 (inclusive) to reach your needs?

plz asap and show work

thank you