??????????????????? ??????????????? ????????????????

???????????У??к????????佫?????緒???С?????????Щ?佫?????????????μ?????????棬С?????????????????????????д??????佫???????????????????????????????????

???????е??????佫?????????????????????С??;???????????????;?????????????????????????

????????????????????????????????????????????????????й?????????????????????=?????*??????????????????????????????????????????????????????????????

??????????С?????????????????????????150%??????????????????????100%????????????????????????????????????????幥??????????????????к????????????????????????????????????“??????????”??????????????=(??幥??+???????)*(????/100)??

????????????=(??幥??+???????)*(????/100)*150%??

????????=(??幥??+???????)*(????/100)*100%??

(2)????????????佫?????=(??幥??+???????)*(????/100)*50%

(3)??????????????=(??幥??+???????)*(????/100)*160%

???????Щ??????????????????????????????

С???????????????

С????幥???13882????27??????????????????1680??С???????92.

??????Σ?(13882+1680)*0.92*150%+90=21565.56

?????Σ?(13882+1680)*0.92*100%+90=14407.04

????????????????￡????????20????????????????????????ζ?1800??

?????????????????