What will be the difference between simple and compound interest at 16% per annum on a sum of Rs. 1000 after 4 years?
Choose the correct choice from the following:
A) 164.19
B) 164.12
C) 170.6
D) 167.1
E) 165.11

Rationale: "s . i . = ( 1000 * 16 * 4 ) / 100 = rs . 640 c . i . = [ 1000 * ( 1 + 16 / 100 ) 4 - 1000 ] = rs . 810.6 difference = ( 810.6 - 640 ) = rs . 170.6 answer : c"
Answer: C