You are located at X and your school is located at Y. There is no straight path from your house to your school. So you first go to A which is about 125 m due north of X, then go to B which is 75 m due west of A, then go to C which is about 150 m due north of B and finally reach your school at Y which is 75 m due east of C. With respect to your school at Y, the correct direction of house at X is: