1. Yu 'ebao is a balance appreciation service launched by Alipay. You can get some income by transferring money into the balance treasure. In fact, you bought a money fund named Yu 'ebao provided by Tianhong Fund.

2. The money earned by Yu 'ebao is actually a kind of income similar to interest, and the amount of income is approximately equal to the principal multiplied by the annual interest rate divided by 365.

3. If you deposit 1, yuan, the annual income will be equal to 1, * 4% = 4 yuan at the interest rate of 4% per day.