1+:
$0
3000+:
$0.0522
6000+:
$0.0469
--
$0.0897
30000+:
$0.0525
$0.0604
$0.058
15000+:
$0.0417
$0.0391
75000+:
$0.0347
$0.0464
$0.0435
$0.0385