????:1??????????:????????

2?????

3???????

4?????

5???????

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

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

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

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

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

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

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