In excel using the formulas, do the next questions:

1. If you save 10,000 at the end of every year for 8 years at 8% interest - how much will you have at the end of that period? 2. If you start with 10,000 and save 3,000 every year for 10 years at 7.5% interest - how much will you have at the end of that period? 3. You deposit 8,000 and receive 8% annual interest (compounded semi annually) for 5 years. What is the total at the end of that period? 4. How much do you need to save annually at 7% to get to 200,000 after 20 years? 5. What is the required interest rate if you save 3,000 annually for 15 years to get to 150,000?