Which of the Following Mathematical Expressions Computes the Annual Percentage

Which of the following mathematical expressions computes the annual percentage rate (APR) for short-term financing?

A) APR = Percentage cost per period × number of borrowing (interest) periods in one year
B) APR = (1 + Percentage cost per period) ^{number of borrowing (interest) periods in one year} + 1.0
C) APR = (1 + Percentage cost per period) ^{number of borrowing (interest) periods in one year} - 1.0
D) APR = (1 + Percentage cost per period) ^{number of borrowing (interest) periods in one year}
E) APR = Percentage cost per period + 1