Trader Joe's - Receipt Amount Ending in Zero

Trader Joe's currently offers customers tallying a "*.00" price on their receipt a free spin on their prize wheel.

Here is one combination which totals zero-zero:

FISH SALMON CHIMICHURRI FILLET $7.95
BEEF SIRLOIN ROAST FULLY COOKED $8.99
KERRYGOLD IRISH UNSALTED BUTTER, 2OZ @ $2.79/OZ $5.58
YOGURT GREEK STYLE PLAIN $1.99
ORGANIC SOUR CREAM - PINT $2.49
SUBTOTAL $27.00
TOTAL $27.00

I think we won an insulated bag on our spin.