有一條數學題目不識做
2009-03-29 4:36 am
1. 因接到海外大訂單，甲公司本年度加薪百分之十，若原來的工資支出佔經營成本的百分之二十，假設其他成本不變，請計算加薪後工資支出將佔經營成本之百分比。
回答 (2)
2009-03-29 5:12 am
✔ 最佳答案
Let operation cost = xsalary expense = 0.2x
other expenses = 0.8x
New salary expense = 0.2x(1 + 10%) = (0.2x)(1.1) = 0.22x
New operation cost = 0.22x + 0.8x = 1.02x
so % of salary expense to operation cost becomes = 0.22x/1.02x
= 0.21568 = 21.568% = 21.57%
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