printf "\nSALES";
printf {p in PROD}: "%14s   ", p;
printf "\n";

for {t in 1..T} {
   printf "week %d", t;

   for {p in PROD} {
      printf "%9d", Sell[p,t];
      printf "%7.1f%%", 100 * Sell[p,t]/market[p,t];
      }

#  printf {p in PROD}:
#     "%9d%7.1f%%", Sell[p,t], 100*Sell[p,t]/market[p,t];

   printf "\n";
   }

printf "\n";