[Freeswitch-users] compare bill rate of different increment

Hi, I would like to use mod_lcr but I am wondering how I should due with rate decks from different providers that have different bill increment? If one deck's increment is 6 s and another one is 1 s, is it fair to compare the two deck just purely based on the rate or is there a better way of handling that? Thank you for your input. Thanks, Woody