LA County sales tax increase goes into effect next week: What to know about Measure ER hike

Los Angeles County shoppers are about to get another jolt at the checkout counter. A new half-cent county sales tax approved by voters earlier this year is set to take effect Oct. 1, pushing the countywide rate from 9.75% to approximately 10.25%, or an extra 50 cents for every $100 in taxable purchases, according to...