The consumption rate of CCB in six stages is 0.6%.
Handling fee for each period =3000*0.6%= 18 yuan.
Repayment of principal per installment =3000/6=500 yuan.
Repayment amount per installment = handling fee per installment+principal payable per installment = 18+500=5 18 yuan.
Total handling fee = handling fee per period *6=3000*0.6%*6= 108 yuan.
The cash installment rate of CCB is 0.75%, divided into six installments.
Handling fee for each period =3000*0.75%=22.5 yuan.
Repayment of principal per installment =3000/6=500 yuan.
Repayment amount per installment = handling fee per installment+principal payable per installment =22.5+500=522.5 yuan.
Total handling fee = handling fee per period *6=3000*0.75%*6= 135 yuan.