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

2??????

3????????vx

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

5???????300?????

???6??7??????? ??7??,?????????1?5???????,?????????8.2%,??????10.9%?

?????,????5???,?1092.3???????????????????????,???????799.44??,???8.1%;??292.85?,?8.5%?

???,???5???,?????242.68???????,??177.21??,?????????65.47?????

???,???1??????5???,??1198.56?????,??71.94????,?12.4%;????1126.61????,????10.8%?

???????,?5????????????,???????242.55?????,???17.36????,???????????????225.18??????(?) ????:?????