1 - 10 units: S$5.5311 - 50 units: S$5.2 More than 51 units: S$4.96
1 - 10 units: S$3.7111 - 50 units: S$3.48 More than 51 units: S$3.33
1 - 10 units: S$21.0611 - 50 units: S$19.8 More than 51 units: S$18.9
1 - 10 units: S$33.711 - 50 units: S$31.68 More than 51 units: S$30.24
1 - 10 units: S$58.9711 - 50 units: S$55.44 More than 51 units: S$52.92
1 - 10 units: S$6.1111 - 50 units: S$5.74 More than 51 units: S$5.48
