Find the Initial Velocity for an Enzymatic Reaction When V_max $\mu$

Find the initial velocity for an enzymatic reaction when V_max = 6.5 × 10^-5 mol•sec^-1, [S] = 3.0 × 10^-3 M, K_M = 4.5 × 10^-3 M, and the enzyme concentration at time zero is 1.5 × 10^-2 $\mu$ M.

A) 3.9 × 10^-5 mol•sec^-1
B) 2.6 × 10^-5 mol•sec^-1
C) 1.4 × 10^-2 mol•sec^-1
D) 8.7 × 10^-3 mol•sec^-1
E) Not enough information is given to make this calculation.