A sum fetched a total simple interest of 4016.25 at the rate of 9 %.p.a. in 5 years. What is the sum?  Choose the most appropriate option:	A) 4462.5	B) 8032.5	C) 8925	D) none of these	E) can not be determined

Rationale: "explanation : principal = ( 100 x 4016.25 ) / ( 9 x 5 ) = 401625 / 45 = 8925 answer : option c"
Answer: C