phrase

[Lie.K.]

Hello :)

Would you help me to understand the following phrases?

#1 Here it it.
#2 Here you are.
#3 Here you go.

#4 Here we are.

I suppose you use #1～3 when you give someone something. (Is that right? )
Do you use them in the same way? Or differently?

Besides that I don't understand how you use #4 well. I'll be happy if I get some examples.

Thank you.

[Alan]

All are functionally equivalent polite phrases used to accompany the act of giving something.
Note: #1 'Here it IS'.

[Lie.K.]

Hello
I came up with a question. May I ask more question?

I understand if I give a thing, I use " Here it is." And what I give are plural things, I should say " Here they are."

However which should I say, when I hand some money at a shop or a restaurant, etc?
Should I say "here it is." by thinking the price as one? Or should I say " Here they are" because the price is plural?

Thank you.

[Alan]

'Here it is' for money, irrespective of price.