???????????? ??????

????:?????:???????

??????2??????8???????????????????????????????? ?????????????,??,???????????????????????????????????????????????????????????????????????,????5600?????????????,??160??????????????????????????????????????????,??,????????,????“??????”???????“?????????????????”??,?????????????????,?????????????

“??????”????????????????,??????????(??????=2000???=1500????????????????)?????,????,??????????,???????????,??,1??????????????2????????????,?????????7%?;?????????,11?????12????????11%????;????8%??????????????????????,??“????”?600??????????,????????????90%?

????,??????,“???????????,????????,??????????????”

“????”??????????????????????,??????????????????????,????,??????????,??,?????????????????????????????????,?????????,???????????????,????????,???????????????????????,?????????????????,???????????6.74????,?????????????????????1.35???

“?,????????????5??,?????????????,?????”????????????????“??????”?????

“???????????????????????+?????????????”???????????????,????????????????,????????“??”???????,???????,????????????????????????,??,????“?”??????????????????;?,????????????????????????,?????????????????????????????????

??,??????????,????,?????,??????????,????????????????????????????????,???????????,?????????????????????????? ???????????????:?????????