????????? ??? ???????? ??? ??? ?????? ???? ??? ?????, ?? ??? ??? ?? ?????????? ?????????? ???! ????????? ?? ??????? ????????? ??? ????, ?????????? ??? ??? ???? ??? ???????? ??? ??????????. ??? ??????? ??????? ????? ?????????? ??????????, ? ????? ????????? ???? ??? ?????. ?????????? ??? ?????? ?????, ?? ????????? ????????? ??? ??? ????? ????????? ?

• Customer life span value: the standard profits a single consumer generates about the length in their engagement Together with the business enterprise. ?? ?????? ?????????? ????? ??? ??????????? ??? ?????????? ???? ????????? ???? ???? ?? ??????????? ?? ??????????? ??? ??? ?? ???????????? ?????????? ?? “????” ??? ??? “?????????????” ???