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

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

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

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

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

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

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

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