(40,10) () [MMC 729] Rate Calculation Table ------------------------------------- The RATE CALCULATION TABLE is used to define the billing charges for each COST RATE. ** 1st Dur : Amount of time at the beginning of each call to which a fixed cost is applied.(0-999sec) ** 1st Cst : Dollar cost for the first interval duration.(0-999) ** 2nd Dur : Amount of time for the duration of each billing increment after the first interval has expired.(0-999sec) ** 2nd Cst : Dollar cost for each billing increment.(0-999) ** Surchg : This is a one time charge that is applied to the call over and above the time charges.