SHOPIFY STORE GOT FROZEN DUE TO POS PAYMENT EVEN AFTER UNSUBSCRIBED IT IS OVERCHARGING

as a beginner i have subscribed for POS accidentally and later unsubscribed it didnt avail any se of it and shopify freeze my account, i have to integrate a merchant and need to start with my first sale but sadly the support advisor escalate the conversations and no further steps have been taken i cant even pay my monthly subscription not afford to pay the unfair over charging of shopify i need to sort it out ASAP but other than waiting i cant find a solution their advisors do listen but i need results… NEEED ATTENTION TEAM SHOPIFY KINDLY SORT OUT MY ISSUE