Changes

A '''tax rate''' is the rate at which taxation occurs.

A '''tax rate''' is the rate at which taxes are levied.

For [[progressive tax]]es such as [[income tax]] is in the [[United States]], the rate will change based upon level of income, increasing with greater income values.

For [[progressive tax]]es such as [[income tax]] is in the [[United States]], the rate will change based upon level of income, generally increasing with greater income values.

For [[sales tax]], the rate is the same for everyone.  The tax paid only varies based upon the total dollar value of the purchase.

For [[sales tax]], the rate is the same for everyone.  The tax paid only varies based upon the total dollar value of the purchase.