According to the Theory of Comparative Advantage, which of the following reasons justifies a country...

The exporting country produces the product utilizing less labor than other countries.

The exporting country's wage rate in producing the good is lower than in other countries.

The exporting country's productivity is higher in producing the good than the productivity of other countries.

The exporting country's cost of producing the good, relative to other goods, is at least as low as in other countries.