A triangle is translated 4 units down and 8 units to the right. Which translation returns it to its original location?

(x, y) → (x + 8, y − 4)
(x, y) → (x + 4, y − 8)
(x, y) → (x − 8, y + 4)
(x, y) → (x − 4, y + 8)