1/1/2005    12/31/2999    11.3700000000000016
 1/1/2005    12/31/2999    7.54
 1/1/2005    12/31/2999    12.07
 1/1/2005    12/31/2999    3
 1/1/2005    12/31/2999    3.8
 1/1/2005    12/31/2999    12.99

##</code><code>##

  printf( DISCOUNT 
          "%s\t%s\t%.16f\n"
          $mdstartdate,$mdenddate,$mddiscountrate
        );