ACC Minister Judith Collins has admitted that hard-working Kiwis have been overcharged for the past three years by reducing levies today, says Labour's ACC spokesperson Andrew Little."Judith Collins says that ACC's surplus last year of $3.5 billion justifies the decrease," Andrew Little said. "It certainly does, but why hasn't the Government ended this rip-off of Kiwis long before now."ACC has never made a surplus of anything like $3.5 billion before. It has routinely made surpluses…