First-year Macroeconomics question: see details?

93. Consider the following information on an economy (in billion dollars):
GNP 340
Private Consumption 150
Public Consumption 90
Export 120
Transfer payments 20
Import 170
Depreciation 40
Taxes 60

(A) Private savings =90, disposable income =260 and Net import =50;
(B) Net investment =110, Private savings = 110, disposable income = 260
(C) Net Investment =150, disposable income = 260 Savings=110;
(D) Net domestic investment =110, disposable income =240, private savings =110
(E) None of the above

Can someone explain HOW to get the answer please