What is the contribution of the digital economy to the GDP of Argentina, Brazil, Chile, and Mexico in 2008?

The digital economy was calculated as the sum of the value added of the telecommunications, software, hardware, and e-commerce sectors.
The contribution of the digital economy to the GDP was estimated using the value-added methodology of national accounts.
The contribution of the digital economy to the GDP was estimated to be at least 3.9% in Argentina, 3.6% in Brazil, 2.8% in Mexico, and 2.6% in Chile.
a) Only I is correct.
b) I and II are correct.
c) I, II, and III are correct.