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1 dollar???
total cost = 8 + 10
; o# l: B6 d- }$ y; ]tvb now,tvbnow,bttvbtotal sales = 9 + 11
) \" ?) h7 J3 E% E9 e# W2 Z4 mwww2.tvboxnow.com
3 k' t* K2 C. Y& Atotal profit = 20 - 18 = 2
8(低價)元買回,9元買出,賺1元(+1)
* S+ p0 {8 }, W5 M7 |8(低價)元買回,10元買入,蝕本2元(-2)
& D6 f5 Y. F7 Gwww2.tvboxnow.com8(低價)元買回,11元買出,賺3元(+3)
8 Z1 P3 r  H0 J2 G5 Lwww2.tvboxnow.com算式:1-2+3=2' D" }. V/ p: e+ ~+ ?7 `/ {& \
所以係賺2元。
2
2 dollar lor
2
tank kill
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