Help me. GDP/ GNP!!!

The following table shows the GNP data of a country. Find the total value-added of all resident producing units of the country.

GNP $14000 million
Indirect taxes $100 million
Subsidies $80 million
Depreciation $120 million

Factor incoe earned by residents from outside the economic territory $2000 million

Factor income earned by non-residents from within the economy territory $1600 million

Choice:
A. $13460 million
B. $13580 million
C. $14300 million
D. $14420 million

How to calculate? why?