The tax due on that transaction is now £17,141.03, however, as £12,764.71 has already been paid only £4,376.32 needs to be paid.
Y dreth sy'n ddyledus ar y trafodiad hwnnw bellach yw £21,730.77, fodd bynnag, gan fod £15,416.67 eisoes wedi’i dalu dim ond £6,314.10 sydd angen ei dalu.