For this case we have the following function: A (t) = P (1 + r / n) ^ nt Substituting values we have: A (4) = 500 * (1 + 0.09 / 1) ^ (1 * (4)) A (4) = 705.790805 Rounding we have: A (4) = 705.79 Answer: The answer for this case is given by: A (4) = 705.79 option A