where can I see my monthly charges for my account?

Hi there,

see this to see your recent purchase history

1. Open the Settings app.
2. Tap your name, then tap Media & Purchases. 
3. Tap View Account. You might be asked to sign in.
4. Tap Purchase History.

Hello ~ I keeping this article bookmarked as you can cancel subscriptions, view your purchases and ask for a refund from on link. Click on below…

Subscriptions and Billing - Official Apple Support

~Katana-San~

Hello ~ You are welcome:)

~Katana-San~