1. Make sure that your total fund share is 490.72, and the total fund market value = 490.72x1.174 = 576.1.The subscription fee of 1.5% has been deducted, that is, the subscription fee = 60.

2. Your monthly 300 yuan is automatically transferred to your account according to the net value of the fund unit on the day of fixed investment. Suppose that the net value of the fund is 1. 18 on the deduction date of fixed investment this month, and the converted fund share is (300-4.5)/1.18 = 250.42, of which the transaction cost is 300.

At the same time, it means that the fund's fixed investment share last month =490.72-250.42=240.3. On the deduction date of fixed investment last month, the net value of fund unit =295.5/240.3= 1.23. In these two months, the net value of the fund showed a downward trend, and the fund share converted every month gradually increased.

3. The downward arrow indicates that the net value of the fund unit shows a downward trend compared with the previous trading day.