please answer all the parts, thank you

91.00 for years at 5% = 0.7835 4. Suppose your grandmother is going to give you $500 for your birthday five years from now. Determine the present value of this amount it: a) The interest rate is 24 *** o pv factor (2%.5 years) - 0.9057 b.) The interest rate is 6% pv factor (6%, 5 years) = 0.7473 c.) The interest rate is 9% pv factor (9%, 5 years) = 0.6499 S