--
3000+:
$0.035
1+:
$0
$0.0302
6000+:
$0.0262
15000+:
$0.0223
30000+:
$0.021
75000+:
$0.0197
150000+:
$0.017
$0.0522
$0.0435
$0.0391
$0.0348
$0.0326
$0.0289
$0.0544
$0.0652