返回列表 回復 發帖
total cost = 8 + 10' I0 b- n6 A0 O9 H! N, s0 w6 H0 g+ S
total sales = 9 + 115 l9 S) t1 V4 s* u
5.39.217.77:8898' y- q" ~9 H$ z
total profit = 20 - 18 = 2
返回列表