9. DIRECTIONS: Read the sentence and choose the best revision to the underlined portion. If the original version is the best option, select the
first answer choice.
The theory of supply-side economics assert that the path to greater wealth is
to be found through removing each barrier that impedes the production of
goods.
The theory of supply-side economics asserts
The theory of supply-side economic assert
The theory of supply-side economics assert
The theory of supply-side economic asserts