Starting from her house, Savita travelled 8 m towards west, then turned right and travelled 15 m. She then travelled 20 m towards east, followed by 20 m south to reach a hostel. How far is her house from the hostel and in which direction?

• A. 13 m, north-west
• B. 13 m, south-east
• C. 28 m, north-west
• D. 15 m, south-west