First Class Rates

USPS First Class Rates (plus delivery confirmation fee)
Purchasing Price	Shipping Costs
$7.50	$0.73
$15.00	$0.73
$22.50	$0.96
$30.00	$0.96
$37.50	$1.19
$45.00	$1.42
$52.50	$1.42
$60.00	$1.65
$67.50	$1.65
$75.00	$1.87