Cain: “I have no idea” how 999 plan would apply to products built outside of US

Mr. Cain made it clear Wednesday his plan remained a work in progress. Visiting Concord, N.H., he added several new wrinkles. He would preserve the deduction for charitable donations, making the flat income tax not so flat; he would exempt any used goods, including previously owned homes and cars, from the national sales tax; and he would allow businesses to deduct new equipment purchases from their 9% corporate income tax, as long as the goods were U.S.-made.

Asked how that would apply to a computer designed domestically but containing Malaysian components and assembled in China, he replied, “I have no idea.”