Summary

$37.00 from free shipping

Subtotal (3 items)
$363.00
Shipping
$18.00
Estimated tax
$29.04
Total$410.04

Tax and shipping are estimates until an address is entered.

Try a wrong code, then ARCHIVE20: the error is inline, the discount line appears, and the totals follow. The meter says how far the bag is from free shipping, and moves with the discount.