Subscribe to the monetary fund on T day, and confirm the calculation income on T+ 1 day. If the subscription of 18 is successful, the income will be calculated as 19.

T-day redemption and T+ 1 day confirmation do not calculate the income, that is to say, the income is calculated on the 25th.

That is to say, the gains between 19 and 25 are cumulative.

Accumulated unit income (200003) ten thousand Great Wall Dollars:

20 12-7-25 3.0944 4.67 1

20 12-7-24 1.9543 3.388

20 12-7-23 0.7395 3.0 1

20 12-7-22 1.4767 3.002

20 12-7-20 0.7292 2.995

20 12-7- 19 0.76 12 2.997

Cumulative income: 8.7553

Your income =8.7553*4000/ 10000=3.5 yuan.