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# 蘇打水利潤
## 說明
[Coca Cola Co 試算表](../../../../2-Working-With-Data/06-non-relational/CocaColaCo.xlsx) 缺少了一些計算。您的任務是:
1. 計算 2015、2016、2017 和 2018 財年的毛利
- 毛利 = 營業淨收入 - 銷售成本
1. 計算所有毛利的平均值。嘗試使用函數來完成此操作。
- 平均值 = 毛利總和除以財年數量 (10)
- [AVERAGE 函數](https://support.microsoft.com/en-us/office/average-function-047bac88-d466-426c-a32b-8f33eb960cf6) 的文件
1. 這是一個 Excel 文件,但應該可以在任何試算表平台中編輯
[數據來源感謝 Yiyi Wang](https://www.kaggle.com/yiyiwang0826/cocacola-excel)
## 評分標準
卓越 | 合格 | 需要改進
--- | --- | ---
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