Minimum monthly repayment amount 10%.
7000+6300+5670+5 103+4592+4 132.8+37 19.52+3347.57+30 12.8 1+27 1 1.53+2440.38+2 196.34=50225.95
50225.95× 5/10000× 30 = 753.39 yuan
7000 yuan installment fee = principal × rate × number of installments =7000×0.6%× 12=504 yuan.