Which statement about the one-billing-cycle method of computing credit card interest is true?

a. the one-billing-cycle method always involves lower interest rates than the two-billing-cycle method.

b. the one-billing-cycle method always involves higher interest rates than the two-billing-cycle method.

c. the one-billing-cycle method charges more total interest than the two-billing-cycle method.

d. the one-billing-cycle method charges less total interest than the two-billing-cycle method.