Let z=3(cos (15°)+isin (15°)) and w=5(cos (90°)+isin (90°)). What best describes the geometric construction the quotient z/w on the complex plane?
A. z is scaled by a factor of 1/5 and rotated 90 degrees clockwise.
B. z is scaled by a factor of 1 and rotated 90 degrees clockwise.
C. z is scaled by a factor of 1 and rotated 90 degrees counterclockwise.
D. z is scaled by a factor of 1/5 and rotated 90 degrees counterclockwise.