need help with both plz!!!!!!

An annuity is set up that will pay $1,500 per year for nine years. What is the present value ( PV ) of this annuity given that the discount rate is 7% ? A. $11,728 B. $13,682 C. $9,773 D. $5,864 What is the present value (PV) of an investment that will pay $400 in one year's time, and $400 every year after that, when the interest rate is 4% ? A. $6,000 B. $5,000 C. $10,000 D. $8,000