You have MYR1837 from your trip to Malaysia and could exchange them for Australian dollars at the Kuala Lumpur airport. The Malaysian ringgit bid price and ask price at the airport foreign exchange desk is A$0.3605 and A$0.4806, respectively. You have a plan to go to Singapore next week and will need Singapore dollars. The airport foreign exchange desk also offers A$0.7888 and A$0.8813 is a bid price and ask price, respectively, for the Singapore dollar. You met a tourist at the Kuala Lumpur airport, who is from Singapore and is on his way to Malaysia. He is willing to buy your MYR1837 for 613 Singapore dollars. How much can you make a profit or loss in the Singapore dollar if you accept the tourist's offer? (enter the whole number with no sign and symbol)