1 - 10 units: S$33.6411 - 20 units: S$31.3 More than 21 units: S$29.25
1 - 10 units: S$10.8711 - 20 units: S$10.11 More than 21 units: S$9.45
1 - 10 units: S$43.2611 - 20 units: S$40.25 More than 21 units: S$37.62
1 - 10 units: S$34.6711 - 20 units: S$32.26 More than 21 units: S$30.15
1 - 10 units: S$2711 - 20 units: S$25.14 More than 21 units: S$23.5
1 - 10 units: S$41.3811 - 20 units: S$39.5 More than 21 units: S$37.62
1 - 10 units: S$45.2911 - 20 units: S$42.14 More than 21 units: S$39.38
1 - 10 units: S$53.9611 - 20 units: S$51.5 More than 21 units: S$49.05
1 - 10 units: S$52.5811 - 20 units: S$48.92 More than 21 units: S$45.72
1 - 10 units: S$61.0711 - 20 units: S$56.82 More than 21 units: S$53.1
1 - 10 units: S$26.2911 - 20 units: S$24.46 More than 21 units: S$22.86
1 - 10 units: S$32.511 - 20 units: S$30.24 More than 21 units: S$28.26
