Which is true of variable-rate loans?
O The rate can only go up.
O The rate can only go down.
O The rate can go up or down, depending upon the index it is tied too.
O The interest rate can fall below 0.

Which statement is true about principal?
OIt is a percentage of the amount you borrow over time.
OIt is a simple way to compare all the various elements of different loans.
OIt is everything you pay in addition to repaying the amount you borrow.
OIt is the amount you borrow.