You can make $5,000 a day trading one-lots, Lane said. Message) F I G U R E 9. NET Team-LRNFinancial Function Description PPmt() Returns the principal payment for a given period of an annuity given the interest rate, payment period, number of payments, present value, optional future value, and optional flag specifying when payments are due PV() Returns the present value of an annuity given the interest rate, number of payments, payment, optional future value, and optional flag specifying when payments are due Rate() Returns the interest rate per period for an annuity given the number of payments, payment, present value, optional future value, and optional flag specifying when payments are due FV() Returns the future value of an annuity given the interest rate, number of payments, payment, optional present value, and optional flag specifying when payments are due MsgBox FUNCTION The MsgBox procedure displays a dialog box with a message, an OK button, an optional icon, and a title.