Here’s a tip, California — leave one .

A shocking new study of tipping habits in the fifty states conducted by restaurant tech bigwig Toast shows California in last place — with allegedly stingy Golden Staters slipping well below the 20% most Americans are now expected to pay.

Californians left an average 17.1% per transaction, the dirty data revealed — 17.6% per sit-down meal and 14.8% at counter service restaurants.

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The numbers were reportedly aggregated from transactions completed on Toast’s popular point-of-sale touchscreens.

Generous Delaware topped the…

Read the full article at NYPOST.COM