12按月分期支付:本金5000÷12+手續費5000 x 0.67% = 416.67+33.5 = 450.17元。
18按月分期支付:本金5000÷18+手續費5000 x 0.67% = 277.78+33.5 = 311.28元。
每月應還24期:本金5000÷24+手續費5000 x 0.70% = 208.33+35 = 243.33元。