HO BISOGNO DELLA FORMULA SU COME AGGIUNGERE L'IVA PARI AL 22% AD UN IMPORTO, E LA FORMULA PER DETRARRE L'IVA DA UN'IMPORTO
GRAZIE IN ANTICIPO
Amount + Amount * 0.22
Amount * 1.22
Google Translate non può tradurre "UN'IMPORTO" in inglese
Adding 22% to an amount is simply multiplying by 1.22.
TotalCharge = TotalSaleNoVAT * 1.22
Removing VAT is one of those rare occasions where it would be best to simply divide by 1.22 (rather than multiply by 0.78).....In fact you would be multiplying by 0.820...
TotalSaleNoVAT = TotalCharge / 1.22
Retrieving data ...