生成三种还款方式对比分析报告

solve()

{"principal": 100000.0, "periods": 24, "annual_rate": 6.5, "EMI_total_interest": 6911.0, "equal_principal_total_interest": 6770.83, "bullet_total_interest": 13000.0, "min_interest_method": "等本金还款"}