1 - 20 units: S$12.621 - 50 units: S$11.34 More than 51 units: S$10.71
1 - 20 units: S$16.821 - 50 units: S$15.12 More than 51 units: S$14.28
1 - 20 units: S$25.221 - 50 units: S$22.68 More than 51 units: S$21.42
1 - 20 units: S$14.721 - 50 units: S$13.23 More than 51 units: S$12.5
1 - 20 units: S$17.5521 - 50 units: S$15.8 More than 51 units: S$14.92
1 - 20 units: S$25.3521 - 50 units: S$22.82 More than 51 units: S$21.55
1 - 20 units: S$18.921 - 50 units: S$17.01 More than 51 units: S$16.07
1 - 20 units: S$23.421 - 50 units: S$21.06 More than 51 units: S$19.89
