Zo is de enige manier om hoge marginale percentages inhoudingen te vermijden een minder steil verlopende schaal van toesla ###>For example, the only way of avoiding high marginal rates is to introduce a less steeply graduated schedule of allowances, credits and tax rates but to do this without lessening the effect on those at the very bottom is to extend the range of such schemes to cover those further up the income scale, which inevitably increases the cost.