Calculate the value added in the primary sector from the following data. Ignore units.
Value of output in primary sector800Value of output in secondary sector200Value of output in tertiary sector300Value of raw materials purchased by primary sector400Value of raw materials purchased by secondary sector100Value of raw materials purchased by tertiary sector50
400
Value added = Value of output in primary sector - Value of raw materials purchased by primary sector
= 800 - 400
= 400