????????????????????(B2C)????????
???????????????????????????????
??????12??????????????????2?3?????<=50????????????(400??)????????????????????????????????
?????????????????10%???????????????????????????????????????????
?????????????24С?×80%???????????????????????6?????賿0???????е??????????18???°???????22????????????
????????????????????????3?????????300???????????????????????????300??????????3???????
??????????Ч???85%????????????????????ж???????и???????????15%???????????????
?????????????IP/PV????10?Σ??????????????????п????IP????????????????IP?????10???????
?????????????????????????????ж????????????????Σ?????????????????5???????????????????????????????5?β???????????
??????????С?????μ??????????/?????????/??????/??????????/??????Ч??=4000000/50/4/300/0.85≈80
??????????С?????????????μ???????/??????????????80*5*5*3/10%=60000
??????????????=1.3×???????????60000*1.3=78000
????????????????IP??????78000/10=7800
??????????????????????????????ο????????
?????????????????????????????????????????????????
?????????????????800????????????????7000???
???????????1000??????????10000??????????