charging different than offer

Avast Account (my.avast.com)
1

Offered to me renew my VPN programm for for a year for 139.- ISL but on credit card charged 159.- . Please check …

2

Did you buy from Avast directly or from a reseller…?

3

Hi,

Did you receive the offer via email?
Could you PM me the email address associated with this offer, please?