what is the image of a(3 -1) after a reflection, first across the line y=3, then across the line x=-1

Question

(-5,7)
(3,-1)
(-5,-1)
(-1,-5)

Answer 1

(3,-1) is 4 below y=3, so its reflection will be to 4 above y=3, or (3,7)

Similarly for x=-1, to (-5,7)