????????????????????(B2C)????????
???????????????????????????????
??????12??????????????????2?3?????<=50????????????(400??)????????????????????????????????
?????????????????10%???????????????????????????????????????????
?????????????24小?×80%???????????????????????6?????璩�0???????械??????????18???掳???????22????????????
????????????????????????3?????????300???????????????????????????300??????????3???????
??????????效???85%????????????????????卸???????懈???????????15%???????????????
?????????????IP/PV????10?危??????????????????锌????IP????????????????IP?????10???????
?????????????????????????????卸????????????????危?????????????????5???????????????????????????????5?尾???????????
??????????小?????渭??????????/?????????/??????/??????????/??????效??=4000000/50/4/300/0.85≈80
??????????小?????????????渭???????/??????????????80*5*5*3/10%=60000
??????????????=1.3×???????????60000*1.3=78000
????????????????IP??????78000/10=7800
??????????????????????????????慰????????
?????????????????????????????????????????????????
?????????????????800????????????????7000???
???????????1000??????????10000??????????