UPDATE: Bank Negara Malaysia has put up information on the new rounding mechanism (FAQ) - check it for further details
From April 1st, all retail outlets in Malaysia will have to round the total cash sales. If your burger costs RM8.51, then you pay RM8.50.
Here's the simple rule: Round 1, 2, 8 & 9 to 0, while 3, 4, 6 & 7 goes to 5. Got it?