I was charged for a purchase I didn’t make

Hello ~ Then you should go ahead and go to the upper right hand corner and click on Get Support or:

Contact Apple for support and service

There you can get further assistance with your account which we here in this forum of fellow users we cannot provide.

~Katana-San~

Hello ~ You are posting to someone who themselves has a problem and cannot be of help to you. This is a forum of fellow users and nor can we refund anything to your account. If you would take a look here perhaps it may help you:

Subscriptions and Billing - Official Apple Support

~Katana-San~

Hello ~ Take a look here:

Subscriptions and Billing - Official Apple Support

~Katana-San~

Was charged $9.99 for a bundle of coins by my minor 8 year old grandchild who hit the wrong button. Please refund on my Amex credit card for October 2021.