Question 7 (Mandatory) (3.2 points) The term "capital structure" refers to: O the amount of long-term debt versus equity on the balance sheet. the amount of current versus fixed assets on the balance sheet. O the amount of current versus long-term debt on the balance sheet. O O none of these. Question 8 (Mandatory) (3.2 points) The Rule of 72 is a simple mathematical approximation for: the number of years required to double an investment. the payments required to double an investment. the future value required to double an investment. the present value required to double an investment. Question 9 (Mandatory) (3.2 points) How are future values affected by changes in interest rates? The higher the interest rate, the larger the future value will be. Future values are not affected by changes in interest rates. One would need to know the present value in order to determine the impact. The lower the interest rate, the larger the future value will be