Given data below answer the question.
 

DURABLE GOODS SERVICES $2,000 $4,000 BUSINESS PURCHASEES OF CAPITAL $ 200 FIXED INVESTMENT $ 600 EXPORTS IMPORTS $ 600 $ 800 NONDURABLE GOODS INVENTORY INVESTMENT $ 500 $ 300 GOVERNMENT TRANSFER PAYMENTS $ 400 PURCHASES OF NEW RESIDENTIAL HOUSING $ 400 GOVERNMENT PURCHASES $ 900 a) FIND CONSUMPTION. b) INVESTMENT. c) NET EXPORT. d) GDP (USING EXPENDITURE APPROACH).