Baoying Currency A belongs to the monetary fund, and the net value of the monetary fund is always 1 yuan, that is, each 1 yuan. Ten thousand earnings and seven-day annualized rate of return are published every trading day (the earnings on Saturday and Sunday are displayed on one day of Sunday). Ten thousand copies of income means ten thousand yuan of income. Seven-day annualized rate of return is the annualized rate of return after converting the sum of ten thousand returns in the past seven days.