You are considering two ways of financing a spring break vacation. You could put it on your credit card, at 15% APR, compounded monthly, or borrow the money from your parents, who want an interest payment of 8% every six months. Which is the lower rate? (Note: Be careful not to round any intermediate steps less than six decimal places.) The effective annual rate for your credit card is \%. (Round to two decimal places.) The effective annual rate for the loan from your parents is \%. (Round to two decimal places.) The option with the lower effective annual rate is (Select from drop-down menu.)