1 - 10 units: S$6.0111 - 50 units: S$5.63 More than 51 units: S$5.36
1 - 10 units: S$9.8311 - 50 units: S$9.21 More than 51 units: S$8.78
1 - 10 units: S$6.5511 - 50 units: S$6.14 More than 51 units: S$5.85
1 - 10 units: S$4.711 - 50 units: S$4.41 More than 51 units: S$4.2
1 - 10 units: S$24.7211 - 50 units: S$23.81 More than 51 units: S$22.68
1 - 10 units: S$23.3111 - 50 units: S$22.45 More than 51 units: S$21.38
1 - 10 units: S$23.111 - 50 units: S$21.66 More than 51 units: S$20.63