Investment amount different in Coin

Zerodha Coin - Direct MF
1

I made a monthly sip of 800 in Axis liquid fund. In my portfolio it shows i invested 800.45. Why there is a difference of 0.45?
Sorry if its a silly question. I created a topic earlier but it got delisted, so not sure about it.

3

Can you create a ticket here support.zerodha.com