A sum fetched a total simple interest of $4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum?  Select
A) $ 8829
B) $ 2840
C) $ 6578
D) $ 7782
E) $ 8925

Rationale: "e 8925 principal = $ 100 x 4016.25 / 9 x 5 = $ 401625 / 45 = $ 8925 ."
Answer: E