The loan in Jinniu is 6,543,800 yuan, with a loan period of 36 periods.
Principal: 100000/36=2777.8 yuan.
Interest: 10* 168 yuan = 1680 yuan.
Monthly repayment: 4,457.8 yuan
Total repayment in 36 installments: 4457.8*36= 160480.8.
Total interest of 36 installments:160480.8-100000 = 60480.8.