The Interest Rate of a Bond Is Equal To

The interest rate of a bond is equal to:

A) the difference between the face value and the initial price all divided by the face value.
B) the difference between the face value and the initial price.
C) the difference between the face value and the initial price all divided by the initial price.
D) the sum of the face value and the initial price all divided by the face value.
E) the sum of the face value and the initial price all divided by the initial price.