Please help with #11 and #5. Thank you so much in advance

For each investment situation in Problems 3-6, identify (a) the annual interest rate, (b) the length of the investment in years, (c) the periodic interest rate, and (d) the number of periods of the investment. 3. 8% compounded quarterly for 7 years 4. 12% compounded monthly for 3 years 5. 9% compounded monthly for 5 years 6. 10% compounded semiannually for 8 years 7. Find the future value if $8000 is invested for 10 years at 12\% compounded annually. 11. A couple bought some stock for $30 per share that pays an annual dividend of $0.90 per share. After 2 years, the price of the stock was $33. (a) What is the return on investment? (b) Find the simple interest rate on the growth of their investment