(a) All property owned by the Lurleen B. Wallace Community College Foundation and the Calhoun Community College Foundation and used by that organization in furtherance of its charitable purposes is hereby exempted from any state, county, and local ad valorem taxation.
(b) All purchases by the Lurleen B. Wallace Community College Foundation and the Calhoun Community College Foundation which are used by that organization in the furtherance of its charitable purpose are hereby exempted from the state, county, and local sales and use taxes.