the last question says "would you invest more of less than at 6%? How much?

thanks!

Please use the formula approach or calculator approach (no excel approach), answer the following questions: 1. Suppose you invest the $1,000 from the previous example (S.13: the interest rate is 6% ) for 5 years. How much would you have? 2. Suppose you had a relative deposit $10 at 5.5% interest 200 years ago. How much would the investment be worth today? 3. Suppose your company expects to increase unit sales of widgets by 15% per year for the next 5 years. If you currently sell 3 million widgets in one year, how many widgets do you expect to sell in 5 years? 4. Suppose you have $500 to invest and you believe that you can earn 8% per year over the next 15 years. How much would you have at the end of 15 years using compound interest? 5. Suppose you need $10,000 in one year for the down payment on a new car. If you can earn 7% annually, how much do you need to invest today? 6. You want to begin saving for your daughter's college education and you estimate that she will need $150,000 in 17 years. If you feel confident that you can earn 8% per year, how much do you need to invest today? 7. Your parents set up a trust fund for you 10 years ago that is now worth $19,671.51. If the fund earned 7% per year, how much did your parents invest? 8. Suppose you need $15,000 in 3 years. If you can earn 6\% annually, how much do you need to invest today? If you could invest the money at 8%, would you have to invest more or less than