The annual interest of Yu 'ebao of 40,000 yuan is 1680 to 1780 yuan. Yu 'ebao is a money fund wealth management product launched by Ant Financial. The annualized rate of return of Yu 'ebao is 1.96%. When the income is equal to the principal multiplied by the interest rate, we can know that if 40,000 yuan is put in the balance treasure, the annual interest is 40,000×1.96% = 784 yuan. A year is equal to 52 weeks, and the weekly interest is about 784 yuan/52 =15.07 yuan.