In addition to the general proportionality concern, a number of independent factors and considerations contribute to determining the choice of a specific GMS rate within the policy range of 5 to 7 per cent.
除了顾及按比例回收的一般问题之外，还根据一些独立因素和考虑来确定在政策所定的5-7％的幅度内选择一般管理支助的具体费率。