In 2011 the chancellor surprised everyone by increasing the supplementary tax by 12 points to 32% (afterwards lowered to 30%).

2011年，这位大臣将附加税率提升了12个百分点，达到了32%(后来又降到了30%)，这令所有人大吃一惊。

Now the petroleum revenue tax will be reduced from 50% to 35%, and a supplementary corporation tax will come down from 30% to 20%.

如今石油收益税率将从50%降到35%，企业所得附加税将从30%降到20%。