số lượng

giá

tổng giá

1

$0.5500

$0.5500

10

$0.4900

$4.9000

25

$0.4650

$11.6250

100

$0.3850

$38.5000

250

$0.3600

$90.0000

800

$0.3150

$252.0000

1600

$0.2500

$400.0000

2400

$0.2350

$564.0000

5600

$0.2200

$1,232.0000

20000

$0.2150

$4,300.0000