6.) Assume you will be receiving an annuity stream of $500 for each of the next 5 years. Calculate the Present Value of that annuity assuming the following potential interest rates. 1 points a. Interest rates are 2%. b. Interest rates are 5% C. Interest rates are 12% 7.) Assume you can invest $4,000 today at an interest rate of 5%. How many years (n) will it take for that investment to grow to a value of $6,000? 1 point 8.) Assume you want to save money for a car you hope to buy in three years. You currently have $13,000 to invest, and you thin you will need $15,000 to buy the car you want. What interest rate (i) would you need to get to increase your savings from $13,000 to $15,000 over three years? 1 point