Credit card A has an APR of 20 8 and an annual fee of 60 while credit card B has an APR of 24 6 and no annual fee All else being equal which of these equations can be used to solve for the principal P the amount at which the cards offer the same deal over the course of a year Assume all interest is compounded monthly O A P 1 0208 60 P 1 02456 12 12 O B P 1 0206 50 P 1 0245 12 O C P 1 0206 60 P 1 0245 12