số lượng

giá

tổng giá

1

$0.5500

$0.5500

10

$0.4850

$4.8500

50

$0.4550

$22.7500

100

$0.4000

$40.0000

500

$0.3800

$190.0000

1000

$0.3150

$315.0000

3000

$0.3050

$915.0000

6000

$0.2950

$1,770.0000

15000

$0.2850

$4,275.0000