A factory produces 4588 balls every month. It sends 1142 balls to the town market, 1001 balls to the markets in other states and 1022 to the markets in other countries. How many balls are left in the factory?
Surjeet brings 15 chocolates to class one day. On the same day, Vandita brings 33 chocolates and Meenakshi brings 9 chocolates. How many chocolates did they bring to class in all? (Answer in Roman numerals.)