Caffeine and other contents: There are six shots of three-bean Irish cream espresso in the blend, which packs a massive caffeine wallop -- one 1.5 ounce shot of espresso contains roughly 77 mg of caffeine, so we're looking at about 462 mg of caffeine in a 20 ounce cup of ER-911.
Sales Tax Rate. The sales tax in Yreka is 7.25%, which is about average for cities in Siskiyou County and lower than average for California (7.75%). Yreka is one of 32 cities in Siskiyou County with a distinct sales tax as listed by the California Board of Equalization.
The state sales or use tax rate for the County of San Diego is 8.00%. (The only exceptions are the cities of El Cajon, La Mesa, National City, and Vista. Sales tax vs. use tax. Although the rate for California sales and use tax is the same, the way the tax is collected and handled differs.