step 2 – for each band applicable to the acquisition multiply so much of the TNPV that falls into each band by the tax rate for that band,
cam 2 - ar gyfer pob band sy’n gymwys i’r caffaeliad, lluosi hynny o’r CGNP sydd o fewn y band gyda’r gyfradd dreth ar gyfer y band hwnnw