A point P(2,3)P(2, 3)P(2,3) is rotated 180∘180^\circ180∘ about the point Q(1,1)Q(1, 1)Q(1,1). What is the new point P′P'P′?
(0,−1)(0, -1)(0,−1)
(0,1)(0, 1)(0,1)
(2,3)(2, 3)(2,3)
(4,5)(4, 5)(4,5)