b and d need answers .

2. Consider the following information about an economy: Private consumption 7,000 Government saving -1,000 Taxes 2,000 Factor income received from abroad 500 Factor payments made to rest of world 1,000 Export 1,000 Import 500 Gross national product 12,000 Transfers 0 Interest on government debt 0 Find the following variables. a. Net export INX). b. Net factor payments (NFP). c. Gross domestic product (GDP). d. Private investment (I)