Help with my corporate finance review. Any extra explanation when showing work is greatly appreciated!

5. Given the following cash flows, what is the present value if the applicable rate of interest is 6\%? Given the following cash flows, what is the future value if the applicable rate of interest is 9% ? David invests $4,000 in an account at the beginning of each year for 5 years. If he earns 8% per year on his investment, what is the equivalent present value of his investment