Quadri-, quadru-, quadr-is a Latin prefix related to the verb quadrare âto make squareâ, quadratus âsquareâ etc. Quad is simply an English shortening of quadrangle, quadruplet etc. So quadri-and quad are actually the same word.
The Washington state sales tax rate is 6.5% , and the average WA sales tax after local surtaxes is 8.89% 1  . Groceries and prescription drugs are exempt from the Washington sales tax. 2  Counties and cities can charge an additional local sales tax of up to 3.1%, for a maximum possible combined sales tax of 9.6%.
2016 List of Wisconsin Local Sales Tax Rates. Wisconsin has state sales tax of 5%, and allows local governments to collect a local option sales tax of up to 0.6%. There are a total of 64 local tax jurisdictions across the state, collecting an average local tax of 0.43%. Click here for a larger sales tax map, or here for a sales tax table. Combined with the state sales tax, the highest sales tax rate in Wisconsin is 5.6% in the cities of Milwaukee, West Bend, Franklin, Oak Creek and Thiensville (and 22 other cities).