In the table below, you are given data for the country of Spruce. Net foreign factor income -32 Gross mixed income 144 Depreciation 166 Compensation of Employees 530 Indirect taxes (net of subsidies ) 111 Gross operating surplus 275 Taxes less subsidies on production 48 a. The value of GDI (at market prices) is $ 1117 b. The value of NDI (at basic prices) is $ 1085 c. The value of (net) national income is $ 703 x