??
???1?20?????? (???? ??)?????????20?,????,?????????20000???????????????????????1613.76????????
??,?19925.81?,???????341.75??,?????1.75%;?????4595.2?,????????????116.01?,??2.59%;?7235.71??,??126.9???????????,??????1.79%?
?,????,????,????????,?,???????(?????????)
??:????????????????????
??????????? ???????20000??????????????