Reeta starts from her home every monday, drops her child to the school which is 10 km south, then goes to check on her parents, who live 15 km west of school. She then goes to the Wholesale market which is 40 km north from her parents place to by fabric. She then goes to the training centre to teach sticking. From the training centre, which is 25 km to the east of the market, she finally reaches her boutique after travelling 30 km south. What is the location of the boutique?