param:  FOOD:                    cost  f_min  f_max :=
  "Quarter Pounder w/ Cheese"    1.84     .      .
  "McLean Deluxe w/ Cheese"      2.19     .      .
  "Big Mac"                      1.84     .      .
  "Filet-O-Fish"                 1.44     .      .
  "McGrilled Chicken"            2.29     .      .
  "Fries, small"                  .77     .      .
  "Sausage McMuffin"             1.29     .      .
  "1% Lowfat Milk"                .60     .      .
  "Orange Juice"                  .72     .      . ;

param:  NUTR:   n_min  n_max :=
        Cal      2000      .
        Carbo     350    375 
        Protein    55      .
        VitA      100      .
        VitC      100      .
        Calc      100      .
        Iron      100      . ;
     
param amt (tr):
                               Cal  Carbo Protein   VitA   VitC  Calc  Iron :=
  "Quarter Pounder w/ Cheese"  510     34     28     15      6    30    20 
  "McLean Deluxe w/ Cheese"    370     35     24     15     10    20    20 
  "Big Mac"                    500     42     25      6      2    25    20 
  "Filet-O-Fish"               370     38     14      2      0    15    10 
  "McGrilled Chicken"          400     42     31      8     15    15     8 
  "Fries, small"               220     26      3      0     15     0     2 
  "Sausage McMuffin"           345     27     15      4      0    20    15 
  "1% Lowfat Milk"             110     12      9     10      4    30     0 
  "Orange Juice"                80     20      1      2    120     2     2 ;