1, income: 3500*3.6200= 12670 yuan.
2. Cost: 3500* 1.9900=6965 yuan.
3. The subscription and redemption fee is simply calculated as 2% =6965*2%= 139.3 yuan.
4. Profit and loss:12670-6965-139.3 = 5565.7 yuan.
5. Yield: 5565.7/6965* 100%=79.9%
When accurate calculation is needed, it depends on the invoice. Usually, this method can be used when making a rough estimate.
Understanding the trading rules is the key!