How many dolars do i need to pay?

Read this article about how to check your Apple ID balance.--> Check your Apple Account balance - Apple Support

- "If none of your payment methods can be charged, your account shows a negative balance. You can't buy more items or update your apps until you update your payment method." From: How apps, content, and subscriptions from Apple are billed - How apps, content, and subscriptions from Apple are billed - Apple Support

Depends on what you purchased.

If you have purchased something from Apple, you will receive an invoice, check your mailbox.

See the following Apple articles:

View your purchase history for the App Store, iTunes Store, and other Apple media services

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

How apps, content, and subscriptions from Apple are billed

How apps, content, and subscriptions from Apple are billed - Apple Support

If you see "apple.com/bill" on your billing statement

If you see "apple.com/bill" on your billing statement – Apple Support (UK)

Hello ~ What exactly are you trying to pay?

~Katana-San~