Step 1 – for each tax band applicable multiply so much of the chargeable consideration that falls within that band by the percentage rate applicable to that band
Cam 1 – ar gyfer pob band treth sy’n berthnasol, lluosi swm y gydnabyddiaeth drethadwy sy’n dod o fewn y band hwnnw â chanran y gyfradd sy’n berthnasol ar gyfer y band hwnnw