Compute the future value of a $200 cash flow for the following combinations of rates and times.(Do not round intermediate calculations. Round your answers to 2 decimal places.)

a.r= 8%;t= 10 years

b.r= 8%;t= 20 years

c.r= 4%;t= 10 years

d.r= 4%;t= 20 years

Need answers for Future Value for a. through b:

A: (need future value answer)

B: (need future value answer)

C: (need future value answer)

D: (need future value answer)