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.
Washington does not allow local jurisdictions like cities or counties to collect a local sales tax. The Washington state sales tax of 6.5% is applicable statewide. You can view the sales tax rates for various cities in Washington here.
Wisconsin has a statewide sales tax rate of 5.00%, which has been in place since 1961. Municipal governments in Wisconsin are also allowed to collect a local-option sales tax that ranges from 0.00% to 0.60% across the state, with an average local tax of 0.44% (for a total of 5.44% when combined with the state sales tax). The maximum local tax rate allowed by Wisconsin law is 0.60%.