Refund

On 12.12.2019 I ordered using Nando's app and paid online the payment went through but the app didnt register the order when when I called the customer care they said I should send bank statement for evidence, I sent though the requested document , and called them numeruos times from 17.12.2019 till 16.01.2020 they keep on giving the same massage that their finance department is busy vefiying the payment .................how hard can it be to verify R148 really:(

A month really Nando's