Find the simple interest on Rs. 72,000 at 16 2/3% per year for 9 months.  Choose the correct choice from the following answers
A) 7500	B) 6500	C) 9000	D) 9500	E) none of them

Rationale: "p = rs . 72000 , r = 50 / 3 % p . a and t = 9 / 12 years = 3 / 4 years . simple interest = ( p * r * t ) / 100 = rs . ( 72,000 * ( 50 / 3 ) * ( 3 / 4 ) * ( 1 / 100 ) ) = rs . 9000 answer is c ."
Answer: C