Who is the claimant of this 20 dollar charge on my bill?

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. What is the 20 dollar charge on my credit bill for?
  2. What does the 20 dollar charge on the credit card pertain to?
  3. What company is making the 20 dollar claim on my credit card bill?
  4. Which company is the receiver of the 20 dollar charge on my credit card bill?
  5. Who is the claimant of this 20 dollar charge on my bill?

Are the above aentences correct? Please advise.

2
  1. doesn’t work as the company is receiving the payment, not the charge,

Simplest option is 1
There is n need for any of the others.

3

Thanks for replying.