What amount invested today would grow to $10,000 after 25 years if the investment earns

answers (need work shown)

a) 4% compounded annually? = 3751.17

b) 4% compounded semiannually? = 3715.28

c) 4% compounded quarterly? = 3697.11

d) 4% compounded monthly? = 3684.92

What principal amount will have a maturity value of $4976.68 after 27 months if it earns 4.5% compounded quarterly?

Answer (need work shown): 4,500