Efrida and Frazer who live 13 miles apart, meet at a restaurant that is directly north of Efrida's home and directly east of Frazer's home. If the restaurant is two miles closer to Efrida's home, than to Frazer's home, how many miles is the restaurant from Frazer's home?  Choose the correct choice from the following options.
A) 6	B) 7	C) 8	D) 10	E) 11

Rationale: "it ' s a simple geometry problem . look at the diagram below : answer : e ."
Answer: E