SAVANNAH, GA (WTOC) - Herman Cain's 9-9-9 tax proposal calls for a complete abolishment of the current tax code. His plan would have a 9 percent corporate flat tax, a 9 percent personal flat tax, and a 9 percent national sales tax.
Robert McGrath, an economics professor at Armstrong State Atlantic University isn't buying it.
"I'm not convinced the three 9 percent tax rates he's proposing would actually generate the revenue, simply because there are some growth assumptions that are a little optimistic."
McGrath also claims that although a national sales tax encourages people to save instead of spend, middle class Americans would be hurt the most.
In Tuesday's fiery GOP debate, Cain argued that this assumption is not true.
"It is a jobs plan, it is revenue neutral, and it does not raise taxes on those that are making the least," Cain said.
Despite taking some heat for his tax plan, Cain remains on top in this part of the country.
"Herman is leading South Carolina and I wouldn't be surprised to see him carry this state to become the Republican candidate," said Ken George, Beaufort County Republican Party.
In the debate, Cain told his opponents and the American people to do the math and make their own decision about the proposal.