1 - 20 units: S$8.8121 - 50 units: S$8.43 More than 51 units: S$7.67
1 - 20 units: S$10.1421 - 50 units: S$9.7 More than 51 units: S$8.82
1 - 20 units: S$10.3821 - 50 units: S$9.93 More than 51 units: S$9.03
1 - 20 units: S$9.4721 - 50 units: S$9.04 More than 51 units: S$8.61
1 - 20 units: S$11.5521 - 50 units: S$11.03 More than 51 units: S$10.5
1 - 20 units: S$13.2821 - 50 units: S$12.71 More than 51 units: S$11.55