Extra charge for in app purchase
When I’m paying for a $9.99 item, I’m being charged 16.96, why am I being charged an extra $7? My state taxes aren’t that high.
See the following Apple articles:
View your purchase history for the App Store, iTunes Store, and other Apple media services
How apps, content, and subscriptions from Apple are billed
How apps, content, and subscriptions from Apple are billed - Apple Support
Request a refund for apps or content that you bought from Apple
Request a refund for apps or content that you bought from Apple - Apple Support
How to cancel a subscription from Apple
https://support.apple.com/en-us/HT202039
If the subscription that you want to cancel is not listed
If the subscription that you want to cancel is not listed - Apple Support