Are you going to charge me extra charge ?

[flytothesky]

Hello~ Can you help me say this naturally please? f my sentences are not natural, you can simply ignore them and give me your own sentence please.

A: With $10, you can choose option 1~ 3.

B: Oh, but I think I like option 5.
ⓐAre you going to charge me extra charge if I choose option 5?
ⓑAre you going to charge me extra money if I choose option 5?

A: Oh, yes, you should pay more $2 for that.

[bhaisahab]

Hello~ Can you help me say this naturally please? f my sentences are not natural, you can simply ignore them and give me your own sentence please.

A: With $10, you can choose option 1~ 3.

B: Oh, but I think I like option 5.
ⓐAre you going to charge me extra charge if I choose option 5?
ⓑAre you going to charge me extra money if I choose option 5?

A: Oh, yes, you should pay more $2 for that.

Is there any extra charge if I choose option 5?

Yes, there is a $2 supplement for option 5.