“It’s that much higher?” asked IT worker Vikas Kataria, 34, who discovered that his combined household income of about $250,000 per year will cost him nearly $10,000 more in taxes.

“I thought it was a couple thousand — but that’s a lot,” said Kataria, who works at Merrill Lynch in Manhattan and is married to a systems analyst for a brokerage firm. “That’s huge!”

With higher taxes, the couple would have to cut out on traveling and family vacations.

Clothing designer Peter Opie, of Canary Wharf Clothier, made about $2 million this year — and would see his tax bill spike by a staggering $100,000.

“The system is nuts here — it’s madness personified!” he said