hase000

王老板損失了 176 元。

hase000

qwertt12,
( \! g& A; a, W& U+ B9 m# a- d( U( }tvb now,tvbnow,bttvbYour calculation should be wrong. As Mr. Wong need to refund $100 to his neighbour. The calculation should be :
5 z" P; U% ]& \, E# \, Jtvb now,tvbnow,bttvb$100 (refund to neighbour from Mr Wong's own money) + $79 (paid to the young man) - $3 (earning from the sale) = $176tvb now,tvbnow,bttvb' }$ }7 h9 p1 K, `, ~, h7 G, r
This should be the fact.

hase000

TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。' T. \0 j9 Q% R0 y, U& ?( S) M
' r" s, r2 V, E$ C9 L7 y
Sorry, I think wrong. Actual loss should be $118 (refund to neighbour $100 + cost of gift $18) - $21 (sales income) = $97