1 - 10 units: S$3.3711 - 50 units: S$3.17 More than 51 units: S$3.02
1 - 10 units: S$2.9511 - 50 units: S$2.77 More than 51 units: S$2.65
1 - 10 units: S$14.7411 - 50 units: S$13.86 More than 51 units: S$13.23
1 - 10 units: S$30.5411 - 50 units: S$28.71 More than 51 units: S$27.41
1 - 10 units: S$2.3211 - 50 units: S$2.18 More than 51 units: S$2.08