The principal assumptions used were: a discount rate of 5.5 per cent; expected salary increases of 2.5 per cent, medical cost increases of 4.5 per cent and general inflation of 2.0 per cent.
12. 使用的主要假设条件是：5.5％的贴现率，2.5％预期加薪，4.5％的医疗费用涨幅和2.0％的通胀率。