Los Angeles County introduced a 10.25 percent sales tax on Thursday, four months after voters approved Measure ER. The Essential Services Restoration Act (Measure ER) overwhelmingly passed in L.A. County earlier this year, raising the sales tax by a half-cent to support health care and other essential services – from 9.75 percent to 10.25 percent. “For every $100 in taxable purchases, Measure ER adds 50 cents in tax, bringing the total to $110.25,” noted NBC News. “The increase is temporary. Measure ER allows the tax to remain in effect for five years until Oct. 1, 2031 as it is projected...