1. 贷款3000,利率12%,每年还款530.95,6年后余额1612.69,调整利率15%,每年还款564.87
则共支付=1500+530.95*6+564.87*4=6945.18
其现值就是4500
2. 3000/(1+5%)^6+600*(1/(1+5%)^9+1/(1+5%)^10+1/(1+5%)^11+1/(1+5%)^12)+2100/(1+5%)^13+800*(1/(1+5%)^15+1/(1+5%)^16+1/(1+5%)^17)=5892.69
1. 贷款3000,利率12%,每年还款530.95,6年后余额1612.69,调整利率15%,每年还款564.87
则共支付=1500+530.95*6+564.87*4=6945.18
其现值就是4500
2. 3000/(1+5%)^6+600*(1/(1+5%)^9+1/(1+5%)^10+1/(1+5%)^11+1/(1+5%)^12)+2100/(1+5%)^13+800*(1/(1+5%)^15+1/(1+5%)^16+1/(1+5%)^17)=5892.69