Triangle ABC with vertices at A(3, 2), B(2, -1), C(-2, 1) is dilated using a scale factor of 1.5 to create triangle A′B′C′. Determine the vertex of point A′.

A) A′(-4.5, 2)
B) A′(3, 3)
C) A′(4.5, 2)
D) A′(4.5, 3)