[biker訊-yamaki油價週報] 12/06油價跌0.1元
上周公布之後詳細推算了一下中油的算法 大致上了解計算情況
只不過還得由接下來幾周的比對來確認 不過依照文字和理念 應該不會差太多
1121~1127 1128~1204
原油價格 45.78 44.4
匯率 33.354 33.442
兩者相乘 1526.946 1484.825
以相乘的漲跌幅打八成 得到 -2.21%
92基準未稅油價 12.61 乘以 0.9779 = 12.33
下面就有所不同 首先 貨物稅回補0.133
12.33 加上調整過後的稅金 8.593 = 20.923
20.923 乘以5%的營業稅 = 21.97 四捨五入為 22.0
接下來調整方式有所變動 22.0 - 20.6 = 1.4 中油回補0.167
1.4 - 1.633 = -0.233 -0.233/3 = -0.07 四捨五入為 -0.1
好複雜 囧
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