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

2???????????

3????????

4??????????????

5?????500

?8????????10? ???(?“??????????”)????,???1?7?????????????,??11403??????,????122.6??,??12%?????????????????11%?

??7??????1776??,????????????????18.5?,???3??1700?????

???????,?(???????)??????(???)??????????????(???????????????)??1??7?15%?22%??2%??????????

?,???????????????????????6??,????17?,????????????????????????????????????????,?????????,??(????) ??:??????