??????????

??????????????????????????????????????
???????2012?5?16????????????????????????
???????????????5500????4000??
??????????????????????

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

???????

?????????????
?????????$27,682???????????$40,688???
???50??????????
??????????????$65,000????????????$90,000???
???????
????????????4????
??$1,735/???????????
?????????????
??????????????

???????

??????????????????????
????????????????$33,675???
??????????
?????????
???????

???????????

1.?????18???
2.??????25?????????????
3.???????????
4.???(?????)??????????????????
5.???(?????)?????????????