??????????60?????????80?????????????

???60??????????????1200000

60??????????????90???????????39480950

60???????????????80??????????????????10542573(80??)

80?????80????????90?????????21250170

60????????????10?? ????????50???

???60?????????????80??????????90??????????

??????80??????????????90??????????

101777130 =1200000+39480950+10542573+21250170 =72473693

80??????????????90???????????101777130 ???80??????????????????1800000