Explain and justify which plan would best suit her needs. a. samantha should not switch to the interval use plan, which would cost $126.00 more per month. b. samantha should switch to the interval use plan, which would save her $126.00 per month. c. samantha should switch to the interval use plan, which would save her $35.50 per month. d. samantha should not switch to the interval use plan, which would cost $35.50 more per month.