lass="example">(%i1) load(finance)$
(%i2) geo_amortization(0.05,0.03,56000,12)$
      &quot;n&quot;    &quot;Balance&quot;     &quot;Interest&quot;   &quot;Amortization&quot;  &quot;Payment&quot;      
     0.000     56000.000         0.000         0.000         0.000  
     1.000     53365.296      2800.000      2634.704      5434.704  
     2.000     50435.816      2668.265      2929.480      5597.745  
     3.000     47191.930      2521.791      3243.886      5765.677  
     4.000     43612.879      2359