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亏1元。。
$ K" {  Z+ M- O原本是可以赚三元的,现在利润是两元,所以赚少了1元3 }+ i2 _$ y" ~( Z6 _
accounting profit = $2: [: A( v' U7 H0 ^* Y9 ]7 \# s
but, economic profit = -$1
downloadso earn $2!!!
+2yuan
; E. `8 L( P* i# G! n8 O-2yuan ) y9 L3 h4 ~  c2 ]+ w# _1 }+ |
2yuan
lets see
earned 2 dollars
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i like to know answer
2蚊.....
so hai la u
究竟系几多啊
2文罗
2 dollars
2 dollars ??
thanks
$2 haha....
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