你好，計算如下
日期金額利率利息還款金額余額2004  50,000.008%  4,000.007451.45  46,548.552005  46,548.558%  3,723.887451.45  42,820.982006  42,820.986%  2,569.266895.71  38,494.532007  38,494.536%  2,309.676895.71  33,908.492008  33,908.496%  2,034.516895.71  29,047.292009  29,047.296%  1,742.846895.71  23,894.422010  23,894.426%  1,433.676895.71  18,432.372011  18,432.376%  1,105.946895.71  12,642.602012  12,642.606%    758.566895.71   6,505.452013   6,505.456%    390.266895.71      -0.00